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 fiow patterns are as follows: Use Appendix 8 for an approximate answer but calculate your final answer using the formula and financial calculator methods. a. Determine the net present value of the projects based on a zero percent discount rate. b. Determine the net present value of the projects based on a discount rote of 12 percent. (Do not round intermediate caiculations and round your answers to 2 decimal places.) c.ll the projects are not mutualy exclusive, which projectgy would you accept it the discount rate is 12 percent? Project E Project H Both H and E