An investor has asked for your help with the following time value of money applications. Table 6-4. Note: Use appropriate factor(s) from the tables provided. Round the PV factors to 4 decimals. Required: a. What is the present value of $72,000 to be received in six years using a discount rate of 4% ? Note: Round your answer to 1 decimal place. b. How much should be invested today at a return on investment of 4% compounded annually to have $72,000 in six years? Note: Round your answer to 1 decimal place. c. If the return on investment was greater than 4% compounded annually, would the amount to be invested today to have $72,000 in six years be more or less than the answer to part b