When Shannon Pegnim was 14, she got a job. Her parents told her that if she put some of her earnings into an IRA, they would contribute an equal amount to her IRA. That year and every year thereafter, she deposited $1,000 into her IRA. When she became 25 years old, her parents stopped contributing, but Shannon increased her annual deposit to $2,000 and continued depositing that amount annually until she retired at age 65. Her IRA paid 7.5% interest.

(a) The future value of the account $:

(b) Shannon's and her parents' total contributions to the account Shannon $ Shannon's parents $

(c) The total interest $

(d) The future value of the account if Shannon waited until she was 19 before she started her IRA $

(e) The future value of the account if Shannon waited until she was 24 before she started her IRA $