This section covers the application of absorption costing and variable costing in
various business decisions:
1.
2.
3.
4.
Planning Production
Analyzing Special Orders
Setting Target Prices
Assessing Costs for Services
1. Planning Production
Absorption costing can lead to overproduction because it allocates fixed
overhead costs across all units produced. When production increases, the fixed
cost per unit decreases, lowering the per-unit product cost. As a result, more
fixed costs are capitalized into inventory, deferring expenses to future periods. This
practice can increase reported income, which might incentivize managers to
produce more units than needed to earn higher bonuses, especially if bonuses are
linked to income under absorption costing.
For example, IceAge’s production manager decides to produce 100,000 units
instead of 60,000 in Year 1. Producing excess inventory reduces the unit cost
from $25 to $21 because the fixed overhead is spread over more units. The income
difference arises from $240,000 in fixed overhead costs being allocated to ending
inventory rather than being expensed as part of the cost of goods sold.
Ethical Implications: Overproduction to meet bonus targets can lead to excess
storage costs, obsolescence, and ultimately harm the company’s financial
health. Variable costing, which treats fixed manufacturing overhead as a period
cost, avoids this problem since managers can’t manipulate income by
overproducing without increasing sales.
2. Analyzing Special Orders
In short-run decisions, fixed costs are sunk costs that don’t change with
production levels. When considering a special order, managers should assess only
variable costs to determine profitability.
Using IceAge as an example:
•
•
•
IceAge’s variable cost per unit is $17 ($15 for goods + $2 for selling
expenses).
The company receives a special order at $22 per unit.
Even though the absorption cost is $25, the special order covers variable
costs and contributes an additional $5,000 to the contribution margin.
Thus, the special order should be accepted because it contributes positively to
income. This approach highlights the importance of using variable costing for special-order analysis rather than absorption costing, which might incorrectly
suggest rejecting orders below full absorption cost.
3. Setting Target Prices
To ensure profitability, a product's selling price should cover all costs and provide
a return to owners. For this purpose, absorption costing is useful because it
includes both variable and fixed production costs, representing the full cost that a
selling price must exceed.
To set a target price:
1. Determine Product Cost per Unit: Using absorption costing, IceAge’s
product cost is $25 per unit.
2. Determine Target Markup: IceAge decides on a 60% markup.
3. Compute Selling Price: $25 + (60% of $25) = $40 target price.
This price ensures IceAge covers its costs and meets its return objectives.
4. Assessing Costs for Services
In service industries, variable costing aids decision-making by focusing on
variable costs, which change with the level of service provided. Fixed costs do not
fluctuate with service volume, so short-term pricing for special services should
exceed variable costs to contribute positively to income.
For example:
•
•
BlueSky Charter Services has a variable cost of $30,000 per flight.
If a special group offers $35,000 per flight (below the usual $50,000 price),
BlueSky can still cover variable costs and gain a $5,000 contribution
margin by accepting the special rate.
This approach enables the company to utilize excess capacity profitably while
maintaining flexibility in pricing for special offers.
Summary
Using absorption and variable costing effectively in decision-making can:
•
•
•
•
Optimize production planning (avoiding overproduction).
Ensure profitable special order acceptance.
Set competitive yet profitable target prices.
Maximize contribution in service industries by understanding variable
costs. Variable costing tends to be more appropriate for internal decision-making as it
offers insights into short-term contributions and eliminates incentives for
overproduction.
Chapter 19: Production and Pricing
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