1. Assume that you have invested $100 in a fund one year ago, the annual return is 6% over the year, how much does the investment worth now? How much will it be next year if the annual return remains the same?
2. You expect to received $150 in one year, assume the interest rate is 10% per year. How much should you invest today?
3. You purchased a share of Facebook one year ago at $100, today the stock price is $130, what’s the rate of return of this investment?