Froogle enterprises is evaluating an unusual investment project. What makes the project unusual is the stream of cash inflows and outflows shown in the following table: Why is it difficult to calculate the payback period for this project Calculate the investment's net present value at each of the following discount rates: 0%. 5%. 10%, 15%, 20%, 25%. 30%. 35%. What docs your answer to part b tell you about this project's IRR Should Froogle invest in this project if its cost of capital is 5% What if the cost of capital is 15% In general when faced with a project like this, how should a firm decide whether to invest m the project or reject it