Project Cash Flow ($) C D -2700 -4100 -6200 -3900 320 1900 2000 5000 320 1300 2000 -2900 320 1300 2000 -2500 320 450 4700 1130 320 450 4700 1130 320 1300 1900 320 2800 320 (a) Calculate the payback period for each project. Project A: Year(s) Project B: Year(s) Project C: Year(s) Project D: Year(s) (b) Assuming that i= 10% calculate the discounted payback period for each project. Project A: Year(s) Project B: Year(s) Project C: Year(s) Project D: Year(s)