please do all tables and show formulas used. thanks

7-44 Some laboratory equipment sells for $85,000. The manufacturer offers financing at 6% with annual payments for 5 years for up to $65,000 of the cost. The salesman is willing to cut the price by 10% if you pay cash. What is the rate of return for paying cash? Should you pay cash if MARR=12%? 7-44 10% Cash Financed Discount at 8% A in Cash Flow Cash Flow Cash Flow Time 0 1 WN 3 4 IRR of Cash Discount =