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 17% (b) 12 % - Profit Margin x Investment Turnover 10% x (a) 28% X 0.75 (c) x 1.5 20% x (d) 15% X 1.2 14% (e) Determine the missing items identified by the letters as shown above. If required, round your answers to two decimal places. (a) (b) E (c) (d) (e) % Mayt