Define accounting principles related to inventory
Define inventory costing methods
Account for perpetual inventory using the three
most common costing methods
Compare the effects of the three most common
inventory costing methods
Apply the lower-of-cost-or-market rule to
inventory
Measure the effects of inventory errors
Estimate ending inventory by the gross profit
method
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International Financial Accounting
Chapter 5: Merchandise Inventory
MA. Nguyen Quoc Nhat- nhatnq.faa@gmail.com 1
MA. Nguyen Quoc Nhat
Chapter 5: Merchandise
Inventory
Learning Objectives
Define accounting principles related to inventory
Define inventory costing methods
Account for perpetual inventory using the three
most common costing methods
Compare the effects of the three most common
inventory costing methods
Apply the lower-of-cost-or-market rule to
inventory
Measure the effects of inventory errors
Estimate ending inventory by the gross profit
method
5.1 Accounting Principles and Inventories
Consistency Principle
Disclosure Principle
Materiality Concept
Accounting Conservatism
5.1 Accounting Principles and Inventories
Consistency Principle
Businesses should use the same
accounting methods from period to period.
Consistency helps investors compare a
company’s financial statements from one
period to the next.
5.1 Accounting Principles and Inventories
Disclosure Principle
Company should report enough
information for outsiders to make wise
decisions about the company.
In short, the company should report
relevant, reliable, and comparable
information about itself.
All major accounting decisions are described
in the footnotes to the financial statements
5.1 Accounting Principles and Inventories
Materiality Concept
A company must perform strictly proper
accounting only for significant items.
Information is significant—or, in accounting
terms, material—when it would cause
someone to change a decision.
International Financial Accounting
Chapter 5: Merchandise Inventory
MA. Nguyen Quoc Nhat- nhatnq.faa@gmail.com 2
5.1 Accounting Principles and Inventories
Accounting Conservatism
means exercising caution in reporting items
in the financial statements.
5.2 Inventory Costing Methods
Ending inventory = Number of units on
hand x Unit cost
Cost of goods sold = Number of units
sold x Unit cost
Cost per unit = Purchase price –
Purchase discounts – Purchase returns
+ Freight in
5.2 Inventory Costing Methods
GAAP allows are as follows
1. Specific unit cost
2. First-in, first-out (FIFO) cost
3. Last-in, first-out (LIFO) cost
4. Average cost
5.2 Inventory Costing Methods
1. Specific unit cost
The company knows exactly which item was
sold and exactly what the item cost.
Suitable for businesses that sell unique,
easily identified inventory items, such as
automobiles (identified by the vehicle
identification number [VIN]), jewels (a
specific diamond ring), and real estate
(identified by address)
5.2 Inventory Costing Methods
2. First-in, first-out (FIFO) cost
The cost of goods sold is based on the
oldest purchases.
Often reflects the actual physical flow of
merchandise.
Under FIFO, companies sell their oldest
inventory first.
FIFO method assumes earliest
goods purchased are the first to
be sold
International Financial Accounting
Chapter 5: Merchandise Inventory
MA. Nguyen Quoc Nhat- nhatnq.faa@gmail.com 3
5.2 Inventory Costing Methods
3. Last-in, first-out (LIFO) cost
The cost of goods sold is based on the
most recent purchases (new costs)
Under the LIFO method, companies sell
their newest inventory first.
LIFO method assumes latest goods
purchased are the first to be sold
5.2 Inventory Costing Methods
4. Average cost
The business computes a new average cost
per unit after each purchase.
Ending inventory and cost of goods sold
are then based on the same average cost
per unit.
An average price is calculated and applied
to all goods
MA. Nguyen Quoc Nhat
Allocation of the cost of goods
available for sale in average cost
method is made on the basis of the
weighted average unit cost
Average cost method assumes that
goods available for sale are
homogeneous
5.2 Inventory Costing Methods
International Financial Accounting
Chapter 5: Merchandise Inventory
MA. Nguyen Quoc Nhat- nhatnq.faa@gmail.com 4
5.3 Inventory Accounting in a Perpetual
System
First-In, First-Out (FIFO) Method
5.3 Inventory Accounting in a Perpetual
System
Journal Entries Under FIFO
Jul 5 Inventory (6 x$45) 270
Accounts payable 270
Purchased inventory on account
Jul 15 Accounts receivable (4 $80) 320
Sales revenue 320
Sale on account
Jul 15 Cost of goods sold 170
Inventory 170
Cost of goods sold.
5.3 Inventory Accounting in a Perpetual
System
Journal Entries Under FIFO
July 26 Inventory (9 x$47) 423
Accounts payable 423
Purchased inventory on account.
Jul 31 Accounts receivable 800
Sales revenue 800
Sale on account.
Jul 31 Cost of goods sold 462
Inventory 462
Cost of goods sold.
5.3 Inventory Accounting in a Perpetual System
Last-In, First-Out (LIFO) Method
.
5.3 Inventory Accounting in a Perpetual
System
Journal Entries Under LIFO
Jul 5 Inventory (6 x$45) 270
Accounts payable 270
Purchased inventory on account
Jul 15 Accounts receivable (4 $80) 320
Sales revenue 320
Sale on account
Jul 15 Cost of goods sold 180
Inventory 180
Cost of goods sold.
5.3 Inventory Accounting in a Perpetual
System
Journal Entries Under LIFO
July 26 Inventory (9 x$47) 423
Accounts payable 423
Purchased inventory on account.
Jul 31 Accounts receivable 800
Sales revenue 800
Sale on account.
Jul 31 Cost of goods sold 468
Inventory 468
Cost of goods sold.
International Financial Accounting
Chapter 5: Merchandise Inventory
MA. Nguyen Quoc Nhat- nhatnq.faa@gmail.com 5
5.3 Inventory Accounting in a Perpetual System
Average-Cost Method
.
5.3 Inventory Accounting in a Perpetual
System
Journal Entries Under AVCO
Jul 5 Inventory (6 x$45) 270
Accounts payable 270
Purchased inventory on account
Jul 15 Accounts receivable (4 $80) 320
Sales revenue 320
Sale on account
Jul 15 Cost of goods sold 175
Inventory 175
Cost of goods sold.
5.3 Inventory Accounting in a Perpetual
System
Journal Entries Under AVCO
July 26 Inventory (9 x$47) 423
Accounts payable 423
Purchased inventory on account.
Jul 31 Accounts receivable 800
Sales revenue 800
Sale on account.
Jul 31 Cost of goods sold 460
Inventory 460
Cost of goods sold.
5.3 Comparing FIFO, LIFO, and Average Cost
.
5.3 Comparing FIFO, LIFO, and Average Cost
Fossil specializes in designer watches and
leather goods. Assume Fossil began June
holding 10 wristwatches that cost $50 each.
During June, Fossil bought and sold
inventory as follows:
Jun 3 Sold 8 units for $100 each
16 Purchased 10 units @ $56 each
23 Sold 8 units for $100 each
5.3 Comparing FIFO, LIFO, and Average Cost
Requirements
1. Prepare a perpetual inventory record for
Fossil using FIFO, LIFO, and
Average cost.
2. Journalize all of Fossil ’s inventory
transactions for June under all three costing
methods.
3. Show the computation of gross profit for
each method.
4. Which method maximizes net income?
Which method minimizes income taxes?
International Financial Accounting
Chapter 5: Merchandise Inventory
MA. Nguyen Quoc Nhat- nhatnq.faa@gmail.com 6
5.3 Comparing FIFO, LIFO, and Average Cost
.
5.3 Comparing FIFO, LIFO, and Average Cost
.
5.3 Comparing FIFO, LIFO, and Average Cost
.
5.3 Comparing FIFO, LIFO, and Average Cost
.
5.3 Comparing FIFO, LIFO, and Average Cost
.
www.themegallery.com Company Logo
5.3 Comparing - Example
Date Quantity Purchased Cost of goods Sold
Quantity Unit cost Total
cost
Quantity Unit
cost
Total
cost
Jul -1 4 48
5 6 50
8 5 ?
15 7 48
26 6 ?
31 9 52
1) Prepare a perpetual inventory record for Fossil using FIFO, LIFO, and
Average cost.
2) Journalize all of Fossil’s inventory transactions for June under all three costing
methods.
3) Show the computation of gross profit for each method.
4) 4. Which method maximizes net income? Which method minimizes income
taxes?
International Financial Accounting
Chapter 5: Merchandise Inventory
MA. Nguyen Quoc Nhat- nhatnq.faa@gmail.com 7
5.4 Lower-of cost-or-market rule
Lower of cost or market rule (LCM).
LCM shows accounting conservatism in
action and requires that inventory be
reported in the financial statements at
whichever is lower:
● the historical cost of the inventory, or
● the market value of the inventory.
5.4 Lower-of cost-or-market rule
Market is defined as replacement cost or
net realizable value.
+ If the replacement cost of inventory is less
than its historical cost, the business must
adjust the inventory value.
+ If the inventory market is greater than cost,
then we don’t adjust the inventory account
because of the conservatism principle.
5.4 Lower-of cost-or-market rule
Suppose Smart Touch paid $3,000 for its
CD01 inventory. By July 31, the
inventory can now be replaced for $2,200,
and the decline in value appears permanent.
5.3 Estimating Ending Inventory
.
5.3 Estimating Ending Inventory
.
International Financial Accounting
Chapter 5: Merchandise Inventory
MA. Nguyen Quoc Nhat- nhatnq.faa@gmail.com 8
5.3 Estimating Ending Inventory
Suppose Smart Touch suffers a natural catastrophe and all
its inventory is destroyed.
Gross Profit Method of Estimating Inventory (amounts
assumed)
MA. Nguyen Quoc Nhat
Thank you!