Problem 12-13 Internal rate of return (L012-4) Home Security Systems is analyzing the purchase of manufacturing equipment that will cost $38.000. The annual cash inflows for the next three years will be Year Cash Flow $19.000 17,000 12.00 Use Appendix B and Annendix D for an approximate answer but calculate your final answer using the financial calculator method. a. Determine 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 b. With a cost of capital of 14 percent, should the equipment be purchased? No Yes