"I know headquarters wants us to add that new product line," said Dell Havasi, manager of Billings Company's Office Products Division. "But I want to see the numbers before I make any move. Our division's return on investment (ROI) has led the company for three years, and I don't want any letdown." Billings Company is a decentralized wholesaler with five autonomous divisions. The divisions are evaluated on the basis of ROI, with year-end bonuses given to the divisional managers who have the highest ROIs. Operating results for the company's Office Products Division for this year are given below: Sales Variable expenses Contribution margin Fixed expenses Net operating income $ 22,235,000 13,981,800 8,253,200 6,100,000 $ 2,153,200 Divisional average operating assets $ 4,625,000