5. At 8% per year, the present worth of the cash flow below is closest to? A. $22,068 B. $25,258 C. $33,004 D. $74,133 A = 5000 A = 2000 0 3 15 26 60 6. A firm is considering purchasing a maintenance contract for its heating and air conditioning systems. Since all of its systems are new, the firm plans to begin the contract in year five and continue through year ten. The cost of the contract is $5,300 per year. The firm's minimum attractive rate of return (interest rate) is 12% per year. What is the equivalent uniform amount (uniform A) of this contract in years one through tn. (write in your answer)