Home Security Systems is analyzing the purchase of manufacturing equipment that will cost $50,000. The annual cash inflows for the next three years will be: Year Cash Flow 1 $ 25,000 2 23,000 3 18,000 Use Appendix B and Appendix 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.)