Which of the following statements are true? O The future value increases as the number of periods increases, all else equal The present value remains unchanged as the number of periods decreases, all else equal The future value increases as the number of periods decreases, all else equal O The present value decreases as the number of periods decreases, all else equal QUESTION 16 You can solve for the i and n variable in addition to FV and PV. Read Section 5-4 Finding the Interest Rate Your parents will retire in 20 years. They currently have $100,000 saved, and they think they will need $500,000 at retirement. What annual interest rate must they earn to reach their goal, assuming they don't save any additional funds? Assume annual compounding (remember the rule about where to use a negative sign in the calculator- otherwise you will see an ERROR) 08.38 10.04 O 8.82 5.00% QUESTION 17 Read Section 5-5 Finding the Number of Periods You have reached retirement age, and have saved $550,000. You would like to continue working until your retirement account reaches $1million. If you invest your money at an annual interest rate of 5%, how much longer must you continue working in order to meet your goal, assuming you save no additional funds? Assume annual compounding. Round your answer to two decimals (remember the rule about where to use a negative sign in the calculator- otherwise you will see an ERROR)