HI I NEED HELP WITH LAST 2 C AND D

The United World Corporation has three subsidiaries. a-1. Compute the retum on sales. (Do not round intermediate calculations. Round the final onswers to 2 decimal places.) a-2. Which division has the lowest return on sales? computers magazines cable TV b-1. Compute the ROA. (Round the final answers to 2 decimal places.) b-2. Which division has the highest ROA? cable TV computers magazines c. Compute the ROA for the entire corporation. (Do not round intermediate calculations. Round the final answer to 2 decimal places.) Retum on assets % d. If the $3,860,000 investment in the cable TV division is sold and redeployed in the computer subsidiary at the same rate of ROA currently achieved in the computer division, what will be the new ROA for the entire corporation? (Round the final answer to 2 decimal places.) New teturn on assets