Enter ONLY a numerical answer rounded to the nearest cent. DO NOT include any other symbols, just numbers and the decimal. If any other notation is entered it will be marked incorrect. A plot of land is for sale at $45.000 and the Gails decide to purchase it at 2% add-on interest for 15 years resulting in a $325 monthly payment. After making their 14th year payment, they decide to pay off their loan with 12 payments remaining. How much interest will they save based on the Rule of 78