Using the DuPont formula for rate of return on investment, determine the profit margin, investment turnover, and rate of return on investment for each proposal. (If required, round your intermediate and final answers to two decimal places.) Which of the three proposals would meet the required 15.00% rate of return on investment? Check all that apply. Using the DuPont formula for rate of return on investment, determine the profit margin, investment turnover, and rate of return on investment for each proposal. (If required, round your intermediate and final answers to two decimal places.) Which of the three proposals would meet the required 15.00% rate of return on investment? Check all that apply