32 Managerial Accounting for Managers, 4th edition
Problem 2-19 (continued)
Marwick’s Pianos, Inc.
Contribution Format Income Statement
For the Month of August
Sales (40 pianos × $3,125 per piano) ……………..
Cost of goods sold
(40 pianos × $2,450 per piano) ………………..
Sales commissions (8% × $125,000) ……………
Delivery of pianos (40 pianos × $30 per piano)
Clerical (40 pianos × $20 per piano) …………….
Total variable expenses ………………………………..
Contribution margin …………………………………….
Advertising ……………………………………………..
Sales salaries …………………………………………..
Utilities …………………………………………………..
Depreciation of sales facilities ……………………..
Executive salaries …………………………………….
Insurance ……………………………………………….
Clerical …………………………………………………..
Depreciation of office equipment …………………
Total fixed expenses ……………………………………
Net operating income ………………………………….
3. Fixed costs remain constant in total but vary on a per unit basis
inversely with changes in the activity level. As the activity level
increases, for example, the fixed costs will decrease on a per unit basis.
Showing fixed costs on a per unit basis on the income statement might