1. If you had invested $18,000 on January 1st, 2009, at 33% interest compounded quarterly, how much would you have on July 1, 2018?

2. If you had invested $12,000 on January 1st, 2009, at 33% interest compounded quarterly, how much would you have on October 1, 2016?

3. An investment company pays 77% compounded semiannually. You want to have $24,000 in the future. How much should you deposit now to have that amount 5 years from now?

4. An amount of $6500 is deposited into a savings account at 22% interest compounded quarterly. How much interest is earned during the first two years? during the thirdyear?