QUESTION 28 According to the Rule of 72, you can do which one of the following? Double your money in 5 years at 14.4 percent interest Double your money in 7.2 years at 8 percent interest. Triple your money in 7.2 years at 5 percent interest. Triple your money at 10 percent interest in 7.2 years Double your money in five years at 7.2 percent interest. You just paid $750,000 for an annuity that will pay you and your heirs $36,000 a year forever. What rate of return are you earning on this policy? 5.33% 4.75% 4.72% 5.10% 4.80%