Payback and ARR. Each of the foliowing scenanos is independent. All cash flows are after-tax cash flows. Required: Michael? Round your answer to two decimal places. years in the answer box). 3. Melanhie Bayless has purchased a business bullding for $321,000. She expects to receive the following cash flows over a 10year period: Yrar 1:$44,000 Year 21 s60,000 Yeat 210;589,800 What is the porback period for Melannie? Round your answer to one decimat place. x veari What is the acctunting rite of return' Enter your answer as a whole percentage value (for example, 16% sheuld be entered as "16" in the answer box)