Problem 3: Determine the interest rate eamed on a $500 deposit when $575 is paid back in one year. Lke: 4-19 Problem 4: What would be more valuable, receiving $1000 today or receiving $1250 in three years if interest rates are 8.25% Like: 4-23 Versus getting $1000 today. Choice: 1000 tohy Problem 5: At age 25 you invest $5000 that earns 9% per year. At age 30 you invest $8000 that earns 7% per year. In which case do you have more money at age 60? Like: 4-33 *Invest at 1S