Problem 1: Suppose you invest $200 for one year at 8% per year. What is the future value in in 2 years?

What is the interest?

Problem 2: Suppose you invest $200 for one year at 8% per year. What is the future value in in 2 years if we assume a simple interest structure? What is the interest if we consider a simple interest structure?

Problem 3: Suppose you want to have $1000 in three years. The interest rate is 10%. How much money do you need to invest at the beginning of year?