600 ? ? ? PA3. LO 3.2 Fill in the missing amounts for the four companies. Each case is independent of the others. Assume that only one product is being sold by each company. Company A Company B Company C Company D Units sold ? 900 Sales in dollars $30,000 $70,000 $240,000 Total variable expenses $ 7,200 ? $144,000 Per unit C/M ? $ 80 270 $ 140 Total fixed expenses $20,000 $50,000 $145,000 ? Net operating income (oss) ? $ 6,000 $(10,000) $ (24,000) Solution Hint: By completing a contribution margin income statement, you will be able to identify the missing values. Units sold 600 900 Sales in dollars $30,000 $70,000 $240,000 Total variable expenses $7,200 $144,000 $80 Per-unit C/M $270 $140 Total fixed expenses $20,000 $50,000 $145,000 Net operating income (loss) $6,000 S(10,000) $(24,000) the following contribution margin income statement for