Consider the following cash flows of a project: Year 0=$100, Year 1=$50, Year 2=$30, Year 3 =$10, Year 4=$20 and Year 5=$50. Find the internal rate of return for this investment. a. 15% b. 19% c. 12% d. 10% e. 22% Suppose the nominal interest rate (i.e., federal funds rate) is 10% and the inflation rate is 7%. Then the real rate of interest is a. 2.8% b. 2.3% c. 3.9% d. 3.7% e. 10.2%