Keller Construction is considering two new investments. Project E calls for the purchase of earthmoving equipment. Project H represents an investment in a hydraulic lift. Keller wishes to use a net present value profile in comparing the projects. The investment and cash flow patterns are as follows: Use Appendix B for an approximate answer but calculate your final answer using the formula and financial calculator methods. Project E Project H ($37,000 Investment) ($35,000 Investment) Year Cash Flow Year Cash Flow 1 $ 9,000 1 $ 17,000 2 12,000 2 18,000 3 18,000 3 17,000 4 20,000 a. Determine the net present value of the projects based on a zero percent discount rate.