please help explain I rate up!

useful for eight years and have no residual value. The company uses straight-line depreciation, and its stockholders demand an annual return of 10% on investments of this nature. (Click the icon to view the Present Value of $1 table.) (Click the icon to view Present Value of Ordinary Annuity of $1 table.) (Click the icon to view Future Value of $1 table.) (Click the icon to view Future Value of Ordinary Annuity of $1 table.) Read the Requirement 1. Compute the payback, the ARR, the NPV, the IRR, and the profitability index of this investment. First, determine the formula and calculate payback. (Round your answer to one decimal place, X.X.) Next, determine the formula and calculate the accounting rate of return (ARR). (Round the percentage to the nearest tenth percent, X.X%.) Calculate the net present value (NPV). (Enter any factor amounts to three decimal places, X.XXX.) Requirements 1. Compute the payback, the ARR, the NPV, the IRR, and the profitability index of this investment. 2. Recommend whether the company should invest in this project