MC Qu. 43 According to the Rule of... According to the Rule of 72, you can do which one of the following? Multiple Choice Double your money in five years at 7.2 percent interest. Double your money in 7.2 years at 8 percent interest... Double your money in 5 years at 14.4 percent interest. Triple your money in 7.2 years at 5 percent interest. Triple your money at 10 percent interest in 7.2 years. P5-9 Calculating the Number of Periods (L04] You're trying to save to buy a new $200,000 Ferrari. You have $33,000 today that can be invested at your bank. The bank pays 4.5 percent annual interest on its accounts. How long will it be before you have enough to buy the car? Multiple Choice 40.68 years 38.93 years 40.93 years 41.18 years 41.43 years