tron Works International is considering a project that will produce annual cash flows of $37.500, $46,200, $56.900 and $22.400 over the next four years, respectively. What is the internal rate of return of the project has an initial cost of $113,500? If the economy boom, RTF, Inc stock is expected to return 11 percent. If the economy goes into a recessionary period, then RTF is expected to only return 4 percent. The probability of a boomis 72 percent while the probability of a recension 28 percent What is the variance of the returns on RTF Inc, stock