Consider how Root Valley Brook Park Lodge could use capital budgeting to decide whether the $12,000,000 Brook Park Lodge expansion would be a good investment. Assume Root Valley's managers developed the following estimates concerning the expansion: (Click the icon to view the estimates.) Assume that Root Valley uses the straight-line depreciation method and expects the lodge expansion to have a residual value of $1,000,000 at the end of its 10-year life. The average annual net cash inflow from the expansion is expected to be $2,804,400. Compute the payback for the expansion project. Round to one decimal place. Il Payback = years