Determining missing items in return on investment computation One item is omitted from each of the following computations of the return on investment: Return on Investment 25 % (b) 30 % 14 % (e) Profit Margin Investment Turnover 10 % (a) 24 % X 0.75 (c) X 1.5 20% X 15 % X (d) 2 Determine the missing items identified by the letters as shown above. If required, round your answers to two decimal places. (a) (b) % (c) % (d) 80 (e) %