- Question 17 Not yet answered Marked out of 8.00 Flag question For the following alternatives, answer the questions below. [8] PW of Incremental B/C when compared with alternative Alternative B/C Ratio Benefits, $ J K L M Costs, $ 20 Disbenefits, $ 4 J 22 0.90 2.00 1.57 d K 23 28 5 a 2.50 L 27 35 6 1.07 0.50 M 25 b 2 1.12 1. Determine the values of the letters a, b, c and d and show your calculations. [4] 2. Out of the four alternatives, which ones are economically infeasible? Why? [2] 3. Out of the four alternatives, which one is the best alternative? Show your analysis. [2] 7 B I = I!! U ub X2 x s 16 ol