As part of your retirement plan, you have decided to deposit $3,000 at the beginning of each year

As part of your retirement plan, you have decided to deposit $3,000 at the beginning of each year

As part of your retirement plan, you have decided to deposit $3,000 at the beginning of each year into an account paying 5% interest compounded annually.
a. How much would the account be worth after 10 years?
b. How much would the account be worth after 20 years?
c. When you retire in 30 years, what will be the total worth of the account?
d. If you found a bank that paid 6% interest compounded annually, rather than 5%, how much more would you have in the account after 30 years?