If you had a 6 percent $200,000 mortgage 30 year fixed rate mortgage, how much would be your yearly payments. How long would it take for you to repay 40 percent of your mortgage?

If you paid an extra $2,000 per year, how long would it take for you to repay 40 percent of your mortgage?

What is the total interest paid over the life of the loan?

If you paid the extra $2,000 per year, how much in total interest would be paid?