Brian decides to set up a 401(k). For the next 25 years, he plans on depositing $300 a month into the account that offers a 10.99% annual interest rate compounded monthly.

a)how much will he have at retirement

b) if he is taxed at a rate of 30%, how much will he have after taxes?

c) if he purchases an annuity with the money left after taxes that guarantees 8% interest compounded monthly for 20 years, how mych will he receive each month?