1. Melanie loaned $52,000 to a small business at 5.63% compounded semi-annually for 1 year and 3 months. How much would the business have to repay her at the end of the period?

2. Amy is expected to settle a loan by paying $7,500. What amount should she pay if she decides to settle the loan four months earlier? The interest rate is 3.50% compounded monthly.