Question 5-32 Straightforward Contribution Income Statement Masa, Ltd., had the following data (in millions of yen) for a given period: Sales Direct materials Direct labor Variable factory overhead Variable selling and administrative expenses Fixed factory overhead Fixed selling and administrative expenses 990 250 140 65 115 110 75 There were no beginning or ending inventories. Compute the (a) variable manufacturing cost of goods sold, (b) contribution margin, and (c) operating income. Note: Solution should be in Income Statement format. Specific answers can be labelled a, b, and c.