Example: If you invest $1,000 today, how long would it take to double it at an 8% interest rate? Example: Suppose you have $10,000 today. You want to have $40,460 in 10 years. What interest rate should you have to meet your goal? Example: You have $10,000 today. You invest at an 8% annual rate and your interest is compounded semi-annually. The time period is 5 years. What is the future value? If your interest is compounded quarterly, other things equal, what is the future value