For the following alternatives, answer the questions below. [8] Incremental B/C when PW of compared with Alternative B/C Ratio alternative Disbenefits, Costs, $ Benefits, $ J K L M $ 20 22 4 0.90 C 1.57 2.00 K 23 28 5 d 2.50 L 0.50 1.07 27 M 25 b 1.12 a No 35 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] Show transcribed image text