45. As a future gift, your aunt just placed $6,000 in a bank account that will earn an annual rate of return of 6%. Approxi- ately how much will be in the account in four years? a. $8,000 b. $10,000 c. $12,000 d. $14,000 46. Which financial planning concepts should be helpful to a couple planning for how much money to save for their retirement? a. reinvesting b. compound interest c. future values d. present values e. all of the above 47. You place $600 in a bank account five years ago that earned an annual rate of return of 12%. Approximately how much do you have now in the bank account? a. $1,000 b. $2,000 c. $3,000 48. Your sister wants to help with your college graduation party. She just placed $5,000 in a bank account earning an annual return of 6%. In four years how much will the account be worth? a. $6,000 b. $7,000 c. $8,000 d. $9,000 49. Using the Rule of 72 approximately how long will it take to double your money if you invest it at 8% compounded annually? a. 5 years b. 7 years c. 9 years