! Required information The following information applies to the questions displayed below.] The management of Niagra National Bank is considering an investment in automatic teller machines. The machines would cost $169,200 and have a useful life of seven years. The bank's controller has estimated that the automatic teller machines will save the bank $36,000 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 ( 14 percent. (Negative amounts should be indicated by a minus sign.) Net Present Value (a) 10 percent (b) 12 percent (c) 14 percent