You want to save up to pay your 9-year-old childs college tuition fee, which costs $63,200, when hell be 17. You currently have $18,600 that youve set aside for this goal that you will not be investing. Given an interest rate of 3.5%, how much would you need to invest now to be able to pay for their college. Select one: a. $ 46,783.69 b. $ 21,403.06 c. $ 39,058.98 d. $ 29,394.81