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Comparing all methods. Given the following after-tax cash flow on a new toy for Tyler's Toys, find the project's payback period, NPV, and IRR. The appropriate discount rate for the project is 9%. If the cutoff period is 6 years for major projects, determine whether management will accept or reject the project under the three different decision models. Initial cash outflow: $13,800,000 Years one through four cash inflow: $3,450,000 each year Year five cash outflow: $1,380,000 Years six through eight cash inflow: $597,000 each year What is the payback period for the new toy at Tyler's Toys? years (Round to two decimal places.)