Here are the expected cash flows for three projects: sh Flows (dollars ProjectYear A. B. 5, 900 +1,225 +1,225 +3,450 -1,900 0 +1,900 +2,450 +3,450 -5,900 +1,225 +1,225 +3,450 +5,450 a. What is the payback period on each of the projects? Project Payback Period years years years b. If you use a cutoff period of 2 years, which projects would you accept? O Project A O Project B O Project C O Project A and Project B Project B and Project C O Project A and Project C O Projects A, B, and C O None