All techniques with NPV profile-Mutually exclusive projects. Projects A and B, of equal risk, are alternatives for expanding Rosa Company's capacily. The firm's cost of capital is 15 . cash flows for each project are shown in the following table: a. Calculate each projoct's payback period. b. Calculate the net present value (NPV) for each project. c. Calculate the intemal rate of retum (IRR) for each project. d. indicate which project you would recommend. a. The payback period of project A is yoars. (Round to two decimal placen.)