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Managerial Accounting - Alternative Inventory Cost Cheat Sheet (DRAFT) by

A decision making perspective

This is a draft cheat sheet. It is a work in progress and is not finished yet.

Absorption Costing

Product Cost = Variable + Fixed Manufa­cturing Costs
Production level impact COGS and inventory costs
Operating Income fluctuates with production levels
Used in financial accounting (follows GAAP)
Net Income higher if units produced > units sold
Net Income lower if units produced < units sold
Net Income equal if units produced = units sold

Normal Costing

Advant­ages:
- More timely inform­ation than actual costing
- Applic­ation of OH cost is simple
Disadv­ant­ages:
- Requires solid forecast numbers for cost and driver
- Sometimes difficult to find a correl­ating cost driver
See Inventory Methods Sheet

Costing Method Product Costs

The rest is period costs

Throughput Costing

Criteria to implement throughput costing:
1 - Conversion Costs are fixed costs and do not vary with production levels
2 - Management needs cost inform­ation for short term decisions
Gross profit and CM replaced with Throughput Margin
Inventory at the cost of DM (elimi­nates incentive to produce excess inventory)
Advant­ages:
- Reduces build up of excess invent­ories
- Encourages managers to reduce operating costs
Disadv­ant­ages:
- Useful only in certain indust­rie­s/o­rga­niz­ations
 

Variable Costing

Product Cost = Variable Manufa­cturing Costs
Production level have no impact on COGS and cost inventory
Operating income fluctuates with sales levels
Used in managerial accounting
Improves pricing decisions

Net Income Effects

No change in inventory: production = sales
Absorption net income = Variable net income
Fixed MOH flows through Income Statement
- Variable Costing is a period cost
- Absorption Costing is part of COGS
Increase in inventory: production > sales
Absorption net income > Variable net income
Absorp­tion: portion of fixed MOH remains on balance sheet's inventory
Decrease in inventory: production < sales
Absorption net income < Variable net income
Absorp­tion: units manufa­ctured previously are sold, so current fixed MOH flowing to COGS is higher

Normal Costing Variance

When actual production deviates from production level
Happens only when absorption costing is used
Written off to COGS
Actual production > Budgeted production
Favorable, variance reduces COGS
Actual production < Budgeted production
Unfavo­rable, variance increases COGS

Throughput vs. Variable

Production = Sales
Variable = Throughput
Production > Sales
Variable > Throughput
Production < Sales
Variable < Throughput