Bau Long$-$Haul, Incorporated, is considering the purchase of a tractor$-$trailer that would cost $$349,472,$ would have a useful life of $7$ years, and would have no salvage value. The tractor$-$trailer would be used in the company's hauling business, resulting in additional net cash inflows of $$81,500$ per year. The internal rate of return on the investment in the tractor$-$trailer is closest to $($Ignore income taxes$)$:

Click here to view Exhibit $12$B$-1$ and Exhibit $12$B$-2,$ to determine the appropriate discount factor$($s$)$ using the tables provided.