2. Sandra is hoping she can save money on her mortgage for her house. Her current mortgage is a 30 year mortgage of 5.25% with a monthly payment of $1319. She still owes $135,000 on the loan and has 23 years left. She's been researching current mortgage rates and sees that 15 year mortgages are at a rate of 3.875% compounded monthly. a. What would her monthly payment be if she refinanced to the 15-year loan? b. How much money would she save every month if she refinanced? c. The closing costs and fees for refinancing are $2,500. Should Sandra refinance? Explain your answer. 2. Sandra is hoping she can save money on her mortgage for her house. Her current mortgage is a 30 year mortgage of 5.25% with a monthly payment of $1319. She still owes $135,000 on the loan and has 23 years left. She's been researching current mortgage rates and sees that 15 year mortgages are at a rate of 3.875% compounded monthly. a. What would her monthly payment be if she refinanced to the 15-year loan? b. How much money would she save every month if she refinanced? c. The closing costs and fees for refinancing are $2,500. Should Sandra refinance? Explain your