1. Paul borrowed $320 to be repaid in one year. He paid 10% interest and a service charge of $15. What is his finance charge?

2. If you borrow $570 at 5.0 percent simple annual interest and repay it in one lump sum at the end of one year, you will have to pay:

3. Becka borrowed $260 from her cousin at the rate of 5.75% per year. If the inflation rate was 1.7% that year, what is her cousin's actual rate of return on the loan?