1. Todd Gunderson purchased a jet ski costing $2,895, plus 4.6% sales tax. The credit union loaned him the funds at a rate of 4.8% for 4 years with monthly payments. Find the balance owed after the tenth payment had been made.
2. Natalia Sandino was given 750 shares of stock in the fitness center where she is employed as a salary bonus. The shares were valued at $8.05 when they were placed in her stock portfolio. The shares paid quarterly dividends of $.60 per share. After 7 years, Natalia sold the shares for $10.67. What was her annual rate of return? Round to the nearest hundredth of a percent.