please answer the first 4 questions

The monthly mortgage payment at 5.89% APR is $2,464.79 (Round to the nearest cent.) The monthly mortgage payment at 5.64% APR is $2,398.67 (Round to the nearest cent.) The lower interest rate on the mortgage results in monthly savings of $ 66.12. (Round to the nearest cent) The PV of the monthly savings is $ 3,967 20 (Round to the nearest cent.) The balance of the mortgage at the end of five years at 5.89% APR is $ (Round to the nearest cent.) The balance of the mortgage at the end of five years at 5.64% APR is $]. (Round to the nearest cent.) The principal reduction due to the lower interest rate is $. (Round to the nearest cent.) The PV of the principal reduction is $ (Round to the nearest cent.) The net benefit or cost is $ (Round to the nearest cent.) The net benefit is positive therefore, you should pay the point. (Select from the drop-down menus.)