Lapos Company operates a chain of sandwich shops. (Click the icon to view additional information.) Read the requirements. (Click the icon to view Present Value of $1 tab (Click the icon to view Present Value of Ordin Annuity of $1 table.) (Click the icon to view Future Value of $1 table (Click the icon to view Future Value of Ordinan Annuity of $1 table.) Requirement 1. Compute the payback, the ARR, the NPV, and the profitability index of these two plans. Calculate the payback for both plans. (Round your answers to one decimal place, X.X.) Plan A Plan B Payback years years