The management of Niagara National Bank is considering an investment in automatic teller machines. The machines would cost $$124,200$ and have a useful life of seven years. The bank$$s controller has estimated that the automatic teller machines will save the bank $$27,000$ after taxes during each year of their life $($including the depreciation tax shield$).$ The machines will have no salvage value.

Use Appendix A for your reference. $($Use appropriate factor$($s$)$ from the tables provided.$)$

$2.$ Compute the net present value of the proposed investment assuming an after$-$tax hurdle rate of $($a$)10$ percent, $($b$)12$ percent, and $($c$)14$ percent