Problem (5): An investment pays $ 30,000 after five years. a) If the annual inflation rate is 8%, what is the real value of the $30,000 in today's dollars? b) If the annual inflation rate is 8% and the real interest rate is 12%, what is the present worth of the investment return? c) What Actual-dollar interest rate is equivalent to a real interest rate of 12% when the annual inflation rate is 8% d) Compute the present worth using the Actual dollar interest rate from part (C)