QUESTION 15 Mach Co. operates three manufacturing departments as profit centers. The following information is available for its most recent year: Dept. Sales $1,000,000 400,000 700,000 Cost of Goods Sold $700,000 150,000 300,000 Direct Expenses $100,000 40,000 150,000 Indirect Expenses $ 80,000 100,000 20,000 Department 1's contribution to overhead as a percent of sales is: 8% 40% 20% Ooo 30%