21. Comparing all methods. Given the following aftertax cash ows on a new toy for Tyler's Toys, nd the project's payback period, NPV, IRR, and protability index. The appropriate discount rate for the project is 12%. If the cutoff period is six years for major projects, determine Whether management will accept or reject the project under the four different decision models. Year 0 cash outow: $10,400,000 Years 1 to 4 cash inow: $2,600,000 each year Year 5 cash outow: $1,200,000 Years 6 to 8 cash inow: $750,000 each year