You will need to make 4 equal withdrawals of $50K from your investment account 17, 18, 19, and 20 years from now. There is no money in your investment account now, but you plan to contribute equal amounts for the next 20 years. How much do you need to contribute to fully fund your future withdrawals if the interest rate on your account is 8%?"

a. "$5,441 " b."$4,822 " c."$4,759 " d."$4,923 " e."$5,703