please help with incorrect ones

Payback and ARR Each of the following scenarios is independent All cash flows are after-tax cash flows Required: 1. Brad Blaylock has purchased a tractor for $86,250. He expects to receive a net cash flow of $32,500 per year from the investment. What is the payback period for Jim? Round your answer to two decimal places. 2.65 years 2. Bertha Lafferty invested $390,000 in a laundromat. The facility has a 10-year life expectancy with no expected salvage value. The laundromat will produce a net cash flow of $108,000 per year. What is the accounting rate of return? Enter your anwer as a whole percentage value (for example, 16% should be entered as "16" in the answer box), 28 X % 3. Melannie Bayless has purchased a business building for $338,000. She expects to recelve the following cash flows over a 10-year period: Year 1: $44,500 Year 2: $61.500 Year 3-10: $90.000 What is the payback period for Melannie? Round vour answer to one decimal place 4.6 vears What is the accounting rate of return? Enter your answer as a whole percentage value (for exxample, 169% should be entered as "16 in the answer box). 24 X %