please answer parts A and B, thank you

An investor obtained a fully amoitizing mortgage five years ago for $96.400 at it peccent for 30 years. Mortgage rates have tropped, so that a fully amortizing 25 -year loan can be obtained at 10 percent. There is no prepayment penalty on the mortgage balance of the original loan, but 3 points will be charged on the new foan and other closing costs will be 52.000. All payments are monthly. Assume that the investor borrows only an amount equal to the outstanding baance of the foon Required: a. Should the botrower refinance if he plans to own the property for the remaining loan term? b. Should the borrower refinance if he planned to own the property to only five more years? Complete this question by entering your answers in the tabs below. Should the borrower refinance if he plans to own the property for the remaining foan term