Notes@HKU by Jax

Bookkeeping

Bookkeeping is the process of recording transactions in a systematic way.

For convenience, in the notes "you" refers to "the company"

Identifying transactions

Accounts

An account stores all transactions related to a group of related items.

The 6 types of accounts

There are 6 types of accounts:

  • Asset - Stuff you own
  • Liability - Stuff you owe 3rd parties
  • Equity (Stockholders' Equity) - Stuff for owners
    • Revenue - Money you earn from selling stuff
    • Expense - Costs of doing business
    • Dividend - Money given to owners

R,E,D all feed into Equity. This will be further explored in Financial Statements.

Current vs non-current A&L

  • Current A&L - Due within 1 year
  • Non-current A&L - Stuff that stays with you for more than 1 year

Operating vs non-operating R&E

  • Operating - Central focus of business
  • Non-operating - Not related to the main business

Contra accounts

Contra accounts are accounts that have a normal balance opposite to the account type. The following is how we present them in a financial statement:

AccountDebitCredit
Accounts receivable10
Allowance for doubtful accounts1

Categorizing transactions

AL
CCashAccounts Payable
Short-Term InvestmentsAccrued Expenses Payable
Accounts ReceivableNotes Payable
Notes ReceivableTaxes Payable
Inventory (to be sold)Unearned Revenue
SuppliesBonds Payable (short-term)
Prepaid ExpensesShort term debts
Dividends payable
NCLong-Term InvestmentsBonds Payable (long-term)
EquipmentLong term debts
Buildings
Land
Intangibles
Keywordsprepaid expense, accrued revenuepayable, prepaid revenue, accrued expenses
Equity
Common Stock (CS)
Retained Earnings (RE)
Additional Paid-in Capital
Treasury Stock

Learn more about Stockholder's Equity.

RevenueExpenses
OSales RevenueCost of Goods Sold (COGS)
Service RevenueDepreciation expense
Wages expense
Rent expense
Insurance expense
Repairs expense
NOInterest RevenueInterest Expense
Dividend RevenueTax Expense
Gain on Sale of Assets
Tax Revenue

Cash and cash equivalents

The most liquid assets that can be quickly converted to cash. We usually group these into a single cash account.

Notes Receivable / Payable

The money you own / owe with an interest rate.

Example 1: You borrowed $1000 from a bank. (Payable)

Debts

The money you borrow from a bank.

Preparing journal entries

The accounting equation

A=L+EA = L + E

This equation is based on the principle that Stuff that you OWN = Stuff that you OWE.

Double-entry bookkeeping

From money to go to one account (source), it must come from another (destination). This is the duality of every transaction in accounting.

\uparrow Debit (Dr) is the term to describe the destination of money flow, whereas \downarrow Credit (Cr) is the term to describe the source of money flow.

Categorizing transactions as Dr / Cr

We can categorize transactions as debits or credits by their accounts' type:

Dr - CrDEA LERDividend, Expense, Asset - Liability, Equity, Revenue

They would be a Dr / Cr if their value was positive. Otherwise, they would be the other way around.

This is based on rearranging the accounting equation and expanding its terms.

Journal entry

A record of a transaction in the journal during the accounting period. The following is the format:

  • Date
  • Account
  • Description

Amounts credited are usually indented.

Example Journal Entry
DateAccountDebitCredit
Jan 1, 2023Cash1
Common Stock1
To record the issuance of common stock for cash

Posting to general ledger

T-accounts

T-account is a way to visualize an account. Dr goes on the left, Cr goes on the right. The closing balance is displayed on the corresponding side.

t-account

General ledger

A general ledger is a collection / database of accounts that store all transactions for you. Each account has their own general ledger.

Example General Ledger
Cash
DateDescriptionDebitCreditBalance
Jan 1Issuance of stock$1,000$1,000
Ending Balance$1,000
Common Stock
DateDescriptionDebitCreditBalance
Jan 1Issuance of stock$1,000$1,000
Ending Balance$1,000

Reporting and intepreting Stockholder's Equity

Corporate businesses has an advantage over proprietorships of the ease of participation in ownership. This is done through the issuance of common stock. Owners of common stock are known as stockholders / shareholders.

Dividends are the money paid to the shareholders from the company's profits, when the company decides to distribute them.

Benefits of stock ownership

Stockholders have the following benefits:

  • Voice in management
  • Dividends
  • Claim of assets upon liquidation of company

Authorized, issue and outstanding shares

The following are the categorization of stocks:

  • Authorized - Max. number that can be sold
    • Issued - Sold to the public
      • Common stock
        - Currently held by the public (Outstanding stock)
      • Treasury stock
        - Bought back by the company from the public
      • Preferred stock
    • Unissued - Never been sold

Common stock

The shares currently held by public.

Treasury stock

The shares bought back by the company from the public. This is a contra-equity account, as can be thought of as being opposite to common stock.

Par vs market value

  • Par value - The minimum price of the stock
  • Market value - The price of the stock in the market

Preferred stock

A special category of stocks. They have a fixed dividend rate which is paid before common stockholders. However, they do not have voting rights.

The preferred stock holders offers two dividend options:

  1. Current - Paid in the current period, limits to before common stockholders
  2. Cummulative - Paid in the future if not paid in the current period. This amount is called dividends in arrears.

Preferred stock has a fixed dividend rate, which is given by:

Preferred Dividends=Par value×Dividend rate×Number of shares\text{\textbf{P}referred \textbf{D}ividends} = \text{Par value} \times \text{Dividend rate} \times \text{Number of shares}

They have a separate par value from common stock.

As their dividends are paid first:

Common Dividends=DPD\text{\textbf{C}ommon \textbf{D}ividends} = D - PD

"Preferred stock: $20 par value, 1% rate, 1000 shares. Common stock: $10 par value, 5000 shares."     \implies PD = 20×1000×0.1=200020 \times 1000 \times 0.1 = 2000

Consider a issurance of $3000 dividends, for current preference:

PD=2000\text{PD}=2000,

CD=3000PD=1000\text{CD} = 3000 - \text{PD} = 1000

Consider a issurance of $10000 dividends, for cummulative preference, dividends in arrears for 2 years:

PD=2000+20002=6000\text{PD} = 2000 + 2000 * 2 = 6000 (first 2000 is the current year's),

CD=10000PD=4000\text{CD} = 10000 - \text{PD} = 4000

Reporting stockholder's equity

Sale of stock

When a stock is sold. Other than recording the stock issurance, we also need to record the

additional paid-in capital
(APC) when the stock is sold for more than the par value.

Δ\DeltaCommon Stock = Stock Issurance = Number of shares ×\times Par value

Δ\DeltaAPC = Value - Stock Issurance

"Issued 200m additional shares of $0.01 par value for $16m"      Δ\implies\ \DeltaAPC = 14m, Δ\DeltaCS = 2m

Example entry:

AccountDebitCredit
Cash16
Common Stock2
Additional Paid-in Capital14

Declaring dividends

When we declare a dividend, we allocate money to the owners from retained earnings.

"Declared dividends of $2m"

Example entry:

AccountDebitCredit
Retained earnings2
Dividends payable2

Repurchase and reissurance of stock

When we reissure stock, we need to credit treasury stock instead of common stock, as we pull from our own stock. We also need to record the additional paid-in capital when we sell the stock for more than its par value.

"Reacquired 10 shares of common stock when selling for $14 per share."     Δ\implies \DeltaTreasury = 140

Example entry:

AccountDebitCredit
Treasury stock140
Cash140

"Reissued 1 shares of treasury stock at $13 per share"     Δ\implies \DeltaAPC = -1 (less than par value), Δ\DeltaTreasury = 14

Example entry:

AccountDebitCredit
Cash13
Additional paid-in capital1
Treasury stock14

These concepts make up the statement of stockholder's equity.

Reporting inventories & COGS

Inventory

The goods that you have for sale as a retailer, or the raw materials that you have for sale as a manufacturer.

Supplies vs. Inventory

Supplies are consumables (such as paper, boxes etc.) for the business.

As a retailer, you purchase the goods to sell as inventory from a supplier, and make a sale to a customer. We need to record this purchase, sale, COGS and the change in inventory.

Reporting inventories and COGS (Inventory system)

There are two ways we can record COGS and inventory in an according period:

  • As the goods are sold / purchased (Perpetual)
    • \checkmark Updates accounts in real-time
    • ×\times More complex, more costly
  • At the end of the period (Periodic)
    • ×\times Does not update accounts in real-time
    • \checkmark Less complex, less costly
Example to compare the two inventory systems

Perpetual System:

When we restock our inventory:

DateAccountDebitCredit
Jan 1, 2023
Inventory
1
Cash1

When we make a sale:

DateAccountDebitCredit
Jan 2, 2023Cash2
Sales Revenue2
To record the sale of goods
Jan 2, 2023Cost of Goods Sold
1
Inventory
1
Update real-time

Periodic System:

When we restock our inventory:

DateAccountDebitCredit
Jan 1, 2023
Purchases
1
Cash1

When we make a sale:

DateAccountDebitCredit
Jan 2, 2023Cash2
Sales Revenue2
To record the sale of goods

At the end of the period:

DateAccountDebitCredit
Dec 31, 2023Inventory1
Purchases
1
Update inventory restock first
Dec 31, 2023Cost of Goods Sold
1
Inventory1
Update COGS after

The difference between the COGS and the revenue will reflect the profit accordingly when we produce the income statement.

The above example assumes that the

cost of inventory
is the same for each unit on every restock, which is not always the case.

Inventory cost flow table

Reflects the changes in inventory during an accounting period, with the total cost of good sold depending on cost flow assumptions.

Example of inventory cost flow table

During the period, the following transactions occurred:

  1. 1/1: First purchase of goods 100 units at $1 each
  2. 1/2: Restocked 200 units by $400
  3. 1/3: Sold 150 units for $450
DateActionQuantityUnit costTotal cost
Jan 1, 2023Opening100$1$100
Jan 2, 2023Purchase200$2$400
Goods available for sale300/$500
Jan 3, 2023Sale(150)/(
?
) \leftarrow COGS
Ending inventory150/$500 - ?

?
COGS depends on the cost flow assumptions.

Cost flow assumptions

To determine the COGS when we purchased the goods at different costs, we can use the following assumptions:

  • FIFO - First In, First Out
  • LIFO - Last In, First Out
  • AVCO - Average cost of all units (Total cost / Available units)
  • Specific Identification - Ratio / quantity specified They are assumptions because we do not know which physical units were sold.
  1. ?
     =1(100)+2(50)=200\ =1(100)+2(50)=200
  2. ?
     =2(100)+1(50)=250\ =2(100)+1(50)=250
  3. ?
     =500300(150)=250\ =\frac{500}{300}(150)=250

Which assumption is better?

We must take into account for the rise / drop in inventory prices during the period when considering which assumption is better.

In a period of rising prices:

  • FIFO - Higher net income (less COGS expenses)
  • LIFO - Lower net income (more COGS expenses) Note: Accounting rules require companies to apply their accounting methods on a consistent basis over time. (Can't change frequently)

Net realizable value of inventory

Net realizable value

The actual of the inventory that the company can profit from.

NRV=Selling priceCost to sellNRV = \text{Selling price} - \text{Cost to sell}

Reporting Inventory at Lower of Cost or Net Realizable Value

We need to report inventory at its minimum of the cost or NRV. This is to prevent overstating the value of inventory.

If NRV<CostNRV < Cost, the company would make a “write-down” entry of (CostNRV)×units(Cost - NRV) \times units to reduce the inventory balance to NRV. (As they are originally recorded at cost).

Example: The company has 1000 units of inventory at $10 each. The NRV is $8.

The valuation used at the end of this period would be 1000×8=80001000 \times 8 = 8000. As NRV<CostNRV < Cost, we need to make the following entry:

AccountDebitCredit
COGS2000
Inventory2000

(108)×1000=2000(10-8)\times1000=2000

Reporting equipments

Acquisition costs

We include the following acquisition costs in the value of an equipment upon acquisition:

  • Purchase price
  • Sales taxes
  • Legal fees
  • Transportation costs
  • Installation and preparation costs The act of inclusion is also called capitalization.

Example: Soutwest Airlines purchased aircraft of $20, and paid $1 for transportation and $2 for installation.

AccountDebitCredit
Equipment23
Cash23

Reporting maintenance and improvements of equipment

  • Maintenance - Expense
  • Improvements - Capitalized Some identifying characteristics of improvements are large sums of money, longer useful life, and increased efficiency.

Reporting asset disposal

  1. Record depreciation expense of the item for this period
  2. Calculate and write-off accumulated depreciation for this item
  3. Record the disposal of the asset by crediting it
  4. Record "gain on sale of assets" (revenue) or "loss on sale of assets" (expense) by balancing the entry

Example: Southwest Airlines sold flight equipment for $11 cash at the end of its 17th year of use. The flight equipment originally cost $30 and was depreciated using the straight-line method with zero residual value and a useful life of 25 years.

DateAccountDebitCredit
1.Depreciation expense1.2
Accumulated depreciation1.2
Depreciation expense for the period
2.Cash11
Accumulated depreciation20.4
Equipment30
Gain on sale of assets1.4
Sale of equipment

Change in estimates

If we change the estimates of the useful life or residual value of an asset, we need to recalculate the net book value of the asset.

Example: Southwest Airlines spent $200 improving the flight equipment of $1000, changing the useful life of the flight equipment from 25 years to 30 years, with 0 residual value. It was in service for 2 years. Find the new net book value and calculate depreciation for this period.

Computation for change in estimates:

  • Original cost: $1000
  • Less: Accumulated depreciation: 100025×2=\frac{1000}{25}\times 2= $8080
  • Improvement capitalized cost: $200
  • New cost: $1120

Depreciation expense: 1120302=\frac{1120}{30-2}= $4040

Reporting taxes

Income tax

The tax that you pay on your income. It is calculated as a percentage of your income. We usually record it as tax payable until we actually pay the tax.

Example: Southwest Airlines has a tax rate of 30%. They earned $1000 in revenue. Record the tax expense.

AccountDebitCredit
Income tax expense300
Income tax payable300