Problem #4: Payback Periods, NPVs, IRRs, and PIs Roadrunner Corporation has the following mutually exclusive projects available. Project A requires an initial investment of $650,000, and Project B requires an initial investment of $1,000,000. The estimated cash flows for the projects are shown below: Year Project A Project B 12345 1 $320,000 $250,000 2 $240,000 $280,000 3 $300,000 $360,000 4 $240,000 $490,000 5 $200,000 $490,000 a. Calculate the payback periods for both projects. Show all work.