need help!

Water City is considering purchasing a water park in Atlanta, Georgia, for $1,800,000. The new facility will generate annual net cash inflows of $462,000 for eight years. Engineers estimate that the facility will remain 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.) Requirement 1. Compute the payback, the ARR, the NPV, the IRR, and the proftability index of this investment. First, determine the formula and calculate payback. (Round your answer to one decimal place, X. .) Next, determine the formula and calculate the accounting rate of return (ARR). (Round the percentage to the nearest tenth percent, X%.) Caiculate the net present value (NPV). (Enter any factor amounts to three decimal places, X.XX.) Requirement 2. Recommend whether the company should invest in this project. Recommendation: Water City invest in the project because the payback period is the operating He, the NPV is profitability index is one, and the ARR and IRR are the company's required rate of return