Q8: Scenario A: At age 20 you invest $2,000 that earns 10% per year. Scenario B: At age 30 you invest $2,000 that earns 14% per year. Under which scenario would you have more money at age 60 and what is the dollar difference at age 60 between the two scenarios?

Q9: Luisa wants to have $1,250,000 by the time she is 65, which is 40 years from now. Assuming that she can earn 9% on her money, how much must she invest each year to reach her goal?

Q10: You have $1,250,000 in your retirement account. You want to withdraw equal amounts at the end of each of the next 20 years. What constant amount can you withdraw each year and have nothing remaining at the end of 20 years if you are earning 4% interest during the withdrawal period?