Consider the following two mutually exclusive projects: Whichever project you choose, If any, you require a 15% return on your investment. a-1. What is the payback period for each project? (Round the final answers to 2 decimal places.) a-2. If you apply the payback criterion. which investment will.you choose? Project A Project B b-1. What is the discounted payback period for each project? (Do not round intermediote colculation decimal ploces.) aecimat piaces.] b-2. If you apply the discounted payback criterion, which investment will you choose? Project A Project B c1. What is the NPV for each project? (Do not round intermediate calculations. Round th sign in your response.) c-2. If you apply the NPV criterion, which investment will you choose? Project A Project B d-1. What is the IRR for each project? (Round the final answers to 2 decimal places.)