The Global Products Corporation has three subsidiaries. Sales Net income (after taxes) Assets Medical Supplies $20,650,000 1,940,000 19,010,000 Heavy Machinery $5,870,000 283,000 8,090,000 Electronics $4,680,000 398,000 3,860,000 a-1. Compute the return on sales. (Do not round intermediate calculations. Round the final answers to 2 decimal places.) Return on sales Medical Supplies Heavy Machinery Electronics a-2. Which division has the lowest return on sales