Please help with this problem, all material listed in problem is attached

Two mutually exclusive design alternatives are being considered for purchase. Doing nothing is also an option. The estimated cash flows for each alternative are given below. The MARR is 5% per year. Using the PW method, which alternative, if either, should be recommended? EE Click the icon to view the alternatives description Click the icon to view the interest and annuity table for discrete compounding when the MARR is 5% per year. The PW for the Alternative 1 is $. (Round to the nearest dollar.)