P10-5 NPV Calculate the net present value (NPV) for the following 15-year projects. Comment on the acceptability of each. Assume that the firm has a cost of capital of 9%. a. Initial investment is $1,000,000; cash inflows are $150,000 per year. b. Initial investment is $2,500,000; cash inflows are $320,000 per year. c. Initial investment is $3,000,000; cash inflows are $365,000 per year