Problem 12-14 Britney Javelin Company is considering two investments, both of which cost $15,000. The cash flows are as follows: Use Appendix Band Appendix D Year 1 2 Project M $8,180 5,400 4,050 Project 56,750 4,95 10,800 a. Calculate the payback period for project Mand project N. (Round the final answers to 2 decimal places.) Project Project Payback period years years b-1. Calculate the NPV for project M and project N. Assume a cost of capital of 7 percent. (Round "PV Foctor" to 3 decimal places. Round the intermediate and final answers to the nearest whole dollar.) Project Project Het present value $ 5