A company is considering the purchase of a new piece of equipment. Information relating to this investment is given below: Cost $270164 Expected useful life 9 years Residual value at end of useful life $31908 Increase in annual contribution margin $41203 Assuming a weighted average cost of capital of 6%, what is the net present value of this investment? Select one: O a. $10086 O b. $28972 O c. $-226890 d. $299136