The Pan American Bottling Co. is considering the purchase of a new machine that would increase the speed of bottling and save money. The net cost of this machine is $57,000. The annual cash flows have the following projections. Use Appendix B and Appendix D for an approximate answer but calculate your final answer using the formula and financial calculator methods. Year 1 2 3 Cash Flow $21,000 24,000 28,000 14,000 9,000 un a. If the cost of capital is 11 percent, what is the net present value of selecting a new machine? (Do not round intermediate calculations and round your final answer to 2 decimal places.) Net present value b. What is the internal rate of return? (Do not round intermediate calculations. Enter your answer as a percent rounded to 2 decimal places.) Internal rate of return %