Please show/explain how you used the tables/formulas to get the answer

The management of Kunkel Company is considering the purchase of a $37,000 machine that would reduce operating costs by $8,000 per year. At the end of the machine's five-year useful life, it will have zero salvage value. The company's required rate of return is 12%. Click here to view Exhibit 14B-1 and Exhibit 14B-2, to determine the appropriate discount factor(s) using table. Determine the net present value of the investment in the machine. Round your final answer to the nearest whole dollar amount. Use th What is the difference between the total, undiscounted cash inflows and cash outflows over the entire life of the machine? (Any cash outflows should be indicated by a minus sign.) EXHIBIT 14B1 Present Value of $1;(.)111 ENHIBIT 14B-2 Present Value of an Annuity of $1 in Arrears; r1[1(1+r)n1]