12 Crazy Kart Company recorded operating data for its shoe division for the year. Sales, $500,000 Contribution margin, 90,000 Total fixed costs, 60,000 Average total operating assets, 200,000 How much is ROI for the year if management is able to identify a way to improve the contribution margin by $20,000, assuming fixed costs are held constant? (2 Points) 25% 1896 45% 12%