I need help with question 25, thank you.

23 You would like to buy a $320,000 condo in downtown Colorado Springs. If the bank will require you to provide a 20% down payment, what will be the monthly payment on the 30yr mortgage, if the mortgage interest rate is 4.800%(M)? 24 Regarding your condo, five years go by. The condo appreciated 3% each year. What is the value of your home equity? 25 Regarding your condo, five years go by. The condo appreciated 3% each year. Interest rates are now 4.200%(M). You refinance 80% of the market value in a new, 30yr mortgage. How much cash do you have left, after you pay off the old mortgage