What is the total amount you will have to repay for your $25,000 student loan if the interest rate is 6% APR with monthly compounding and you pay equal monthly payments over the 10 year life of the loan?

You deposit $8000 each year into your retirement account, starting in one year. If these funds earn an average of 9% per year over the 35 years until your retirement, what will be the value of your retirement account upon retirement?