Omni Technology Holding Company has the following three affiliates: Sales Net income (after taxes) Assets Stockholders' equity Software $ 46,220,000 2,063,000 5,280,000 4,260,000 Personal Computers $ 48,850,000 2,280,000 25,920,000 10,260,000 Foreign Operations $ 190,760,000 8,800,000 60,150,000 50,350,000 a-1. Compute the return on sales. (Input your answers as a percent rounded to 2 decimal places.) Software Personal Computers Foreign Operations Return on Sales % % %