Suppose a homeowner has an existing mortgage loan with these terms: Remaining balance of $150,000, interest rate of 8 percent, and remaining term of 10 years (monthly payments). This loan can be replaced by a loan at an interest rate of 6 percent, at a cost of 8 percent of the outstanding loan amount. Required: a. What is the net benefit of refinancing? Note: Negative amount should be indicated by a minus sign. Do not round intermediate calculations and round your answers to 2 decimal places. b. What is the NPV if the homeowner expects to be in the home for only five more years? Note: Negative amount should be indicated by a minus sign. Do not round intermediate calculations and round your answers to 2 decimal places