Please answer a-1, a-2, b-1, b-2, and c as they are apart of the same question. Thank you.

The Global Products Corporation has three subsidiaries. a-1. What is the return on sales for each subsidiary? Note: Input your answers as a percent rounded to 2 decimal places. a-2. Which subsidiary has the lowest return on sales? Medical Supplies Heavy Machinery Electronics b-1. What is the return on assets for each subsidiary? Note: Input your answers as a percent rounded to 2 decimal places. b-2. Which subsidiary has the highest return on assets? Medical Supplies Heavy Machinery Electronics c. Compute the return on assets for the entire corporation. Note: Input your answer as a percent rounded to 2 decimal places