1. Alberto purchased a diamond ring for his girlfriend today. He will pay $320 (interest and principal) at the end of each year for the next 8 years. Assuming that the store is charging Alberto 6% interest, what was the purchase price of the gift? (Round your answer to the nearest dollar)

2.Georgia deposited money in her retirement account 11 years ago. Today her account has $8600 in it. Assuming a 4% interest rate. how much did Georgia deposit 11 years ago? (Round your answer to the nearest dollar)

3.Three years ago, Nina borrowed $13600 from me. Today, she will repay the loan, along with interest at 8%. How much am I going to receive? (Round your answer to the nearest dollar)