Harry and Natalie Wolf have a three$-$year$-$old loan with which they purchased their house. Their interest rate is $1338\%.$ Since they obtained this loan, interest rates have dropped, and they can now get a loan for $878\%$ through their credit union. Because of this, the Wolfs are considering refinancing their home. Each loan is a thirty$-$year simple interest amortized loan, and neither has a prepayment penalty. The existing loan is for $ $152,850,$ and the new loan would be for the current amount due on the old loan. Find their monthly payment with the existing loan. SHOW ANSWER Find the loan amount for their new loan. HIDE ANSWER $ $151,437\mathrm{.}74$ Find the monthly payment with their new loan. SHOW ANSWER Find the total interest they will pay if they do not get a new loan. SHOW ANSWER Find the total interest they will pay if they do get a new loan. SHOW ANSWER Should the Wolfs refinance their home? Why or why not?