The Summit Petroleum Corporation will purchase an asset that qualifies for three-year MACRS depreciation, The cost is $140,000 and the asset will provide the following stream of earnings before depreciation and taxes for the next four years: Use Table 12-12. The firm is in a 35 percent tax bracket and has a cost of capital of 7 percent. Use Appendix B for an approximate answer but calculate your final answer using the formula and financial calculator methods. a. Calculate the net present value. Note: Negative amount should be indicated by a minus sign. Do not round intermediate calculations and round your answer to 2 decimal places