1. If you invest $1,000 today in an account that earns an interest rate of 7.5% per year, how much will you have 8 years from today? 2. If you invest $1,000 today in an account that earns an interest rate of 8% per year, how much will you have 8 years from today? 3. 10 years ago, you invested $500 in an account that pays 4% per year in interest. 6 years later, you invested $1,000 in an account that pays 3% per year. How much do you have today? 4. Cheap Loans, Inc., has lent you $10,000 today at an interest rate of 4% compounded annually. The loan will be repaid in a single payment at the end of 4 years. You plan to invest the $10,000 today in a certificate of deposit with Great Rates Bank that earns 10% compounded annually and matures in 4 years. What will your net profit be when your certificate matures and you use the proceeds to repay the loan