If the cost of capital is 9 percent and an investment costs $51,000, should you make this investment if the estimated cash flows are $7,000 for years 1 through 3, $18,000 for years 4 through 6, and $19,000 for years 7 through 10? Use Appendix B and Appendix D to answer the questions. Use a minus sign to enter a negative value, if any. Round your answer to the nearest dollar. NPV: $