IRR, investment life, and cash inflows Oak Enterprises accepts projects earning more than the firm's 11% cost of capital Oak is currently considering a 13-year project that provides annual cash inflows of $20,000 and requires an initial investment of $178,800 a. Determine the IRR of this project. Is it acceptable? b. Assuming that the cash inflows continue to be $20,000 per year how many additional years would the flows have to continue to make the project acceptable (that is to make it have an IRR of 11%)? c. With the given life, an initial investment of $178,800, and cost of capital of 11%, what is the minimum annual cash inflow the investment would have to provide in order for this project to make sense for Oak's shareholders