Determining Missing Items in Return Computation One item is omitted from each of the following computations of the return on investment: Rate of Return Investment = on Investment Profit Margin Turnover 15% = 10% X (a) (b) 16% 0.75 27% (c) X 1.5 14% 20% X (d) (e) = 15% 1.6 Determine the missing items identified by the letters as shown above. If required, round your answers to two decimal places. (a) (b) % @ (C) % (d) (e) %