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Callaghan Company is considering Investing in two new vans that are expected to generate combined cash inflows of $27, 500 per year. The vans' combined purchase price is $94, 500. The expected life and salvage value of each are seven years and $20, 900, respectively. Callaghan has an average cost of capital of 12 percent. (PV of $1 and PVA of $1) (Use appropriate factor(s) from the tables provided.) Required a. Calculate the net present value of the investment opportunity. (Negative amount should be indicated by a minus sign. Round intermediate calculations and final answer to 2 decimal places.) Net present value $ 31,003.30