Dont forget (Time Value of Money Diagram) Its very important and show as many steps as you can. Dont use excel please. (Just calculate by hand)

A couple takes out a $12000 loan. This loan is to be amortized with equal monthly payments over a 28- year period at 7.5%/year compounded monthly, with the first payment made one month from now. (a) Determine the outstanding balance at the end of 14 years. (b) After that time, the couple is unable to make payments for 1 year. What will then be the balance at the end of 15 years? (c) What new monthly payments would repay the loan on schedule