Ralston Company has income from operations of $75,000, invested assets of $360,000, and sales of $790,000. Use the DuPont formula to calculate the rate of return on investment, and show the profit margin, (b) the investment turnover, and (c) rate of return on investment. Round the profit margin percentage to two decimal places and the investment turnover to three decimal places. Robert Maffei, Instructor. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part