Fast Food, Inc. has purchased a new donut maker. It cost $$25,000$ and has an estimated life of nine years. The following annual donut sales and expenses are projected: Sales $$30,000$Expenses: Flour, etc. $($required in making donuts$)$$$18,000$ Salaries$$7,000$ Depreciation$$1,800$$$26,800$Operating Income $$3,200($Ignore income taxes in this problem.$)$The payback period on the new machine is closest to which of the following?Multiple Choice$5\mathrm{.}0$ years$\mathrm{.}2\mathrm{.}7$ years$\mathrm{.}1\mathrm{.}4$ years$\mathrm{.}3\mathrm{.}6$ years.