Under variable costing:
Under absorption costing:
3. Operating income using variable costing is 6.4% higher than operating income calculated
using absorption costing. The difference is entirely due to the way fixed manufacturing costs are
accounted for under the two costing systems.
4. The factors the CFO should consider include
(a) Effect on managerial behavior.
(b) Effect on external users of financial statements.
I would recommend absorption costing because it considers all the manufacturing resources
(whether variable or fixed) used to produce units of output. Absorption costing has many critics.
However, the dysfunctional aspects associated with absorption costing can be reduced by
9-26 Absorption and variable costing. (CMA) Miami, Inc., planned and actually
manufactured 250,000 units of its single product in 2017, its first year of operation. Variable
manufacturing cost was $19 per unit produced. Variable operating (nonmanufacturing) cost was
$13 per unit sold. Planned and actual fixed manufacturing costs were $750,000. Planned and
actual fixed operating (nonmanufacturing) costs totaled $420,000. Miami sold 170,000 units of
product at $41 per unit.
Required:
1. Miami’s 2017 operating income using absorption costing is (a) $600,000, (b) $360,000, (c)
$780,000, (d) $1,020,000, or (e) none of these. Show supporting calculations.
2. Miami’s 2017 operating income using variable costing is (a) $1,100,000, (b) $600,000, (c)
$360,000, (d) $780,000, or (e) none of these. Show supporting calculations.
9-10