Please do parts 3 and 4, as I already have the correct payments!! Thank you :)

(1 point) A couple purchases a house and signs a mortgage contract for $460000 to be paid with monthly payments over 15 years. The interest rate of the mortgage is ji = 11% and can be renegotiated every 5 years without penalty. At the end of the 5th year they refinance the loan at ji 7%. Calculate the initial monthly payment and the payment after the mortgage is refinanced. Also determine the value of the savings for the 2nd 5- year period with the new payment, and the outstanding balance of the mortgage at the end of 10 years. Initial Payment: $ 5079.564144 Refinanced Payment: $ 4332.567989 Savings: $ 3734.980775 Outstanding Balance $ 219928.8103 (1 point) A couple purchases a house and signs a mortgage contract for $460000 to be paid with monthly payments over 15 years. The interest rate of the mortgage is ji = 11% and can be renegotiated every 5 years without penalty. At the end of the 5th year they refinance the loan at ji 7%. Calculate the initial monthly payment and the payment after the mortgage is refinanced. Also determine the value of the savings for the 2nd 5- year period with the new payment, and the outstanding balance of the mortgage at the end of 10 years. Initial Payment: $ 5079.564144 Refinanced Payment: $ 4332.567989 Savings: $ 3734.980775 Outstanding Balance $ 219928.8103