You have $676,200, you decided to invest it in an investment plan that will pay you 3% interest for the next 7 years, after which you want to invest your money for the next 11 years in an investment plan that will pay 7%. How much will you have at the end of the 18 years? Select one: a. $ 1,503,042 b. $ 1,750,481 c. $ 109,341.50 d. $ 890,512.20