Callaghan Company is considering investing in two new vans that are expected to generate combined cash inflows of $29,000 per year. The vans' combined purchase price is $97,000. The expected life and salvage value of each are four years and $20, 400, respectively. Callaghan has an average cost of capital of 16 percent. (PV of $1 and PVA of $1) (Use appropriate factor(s) from the tables provided.) Required 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.)