BEX Corporation is considering an investment that will cost 80 000 and have a useful life of 4 years. During the first 2 years, the net incremental after-tax cash flows are 25 000 per year and for the last two years they are 30 000 per year. What is the payback period for this investment? Selecione uma opo de resposta: O a. 3 years O b. 3.5 years O c. 4.0 years O d. Cannot be determined from this information