help it's a 3 part question. the E- is asking for "interest difference".... F--- is asking if Harriet uses 30 years instead of 25 for both 11.5% and 15%, what is the difference in interest? (use 360 days a year. round intermediate calculations to 2 decimal places. round your answer to the nearest dollar amoint)

View previous attempt Check my work Harriet Marcus is concerned about the financing of a home. She saw a small cottage that sells for $62.000 Assuming that she puts 20% down, what will be her monthly payment and the total cost of interest over the cost of the loan for each assumption? (Use the Table 15.1(a) and Table 151(b)). (Round intermediate calculations to 2 decimal places. Round your final answers to the nearest cent.) Monthly payment Total cost of interest a. 25 Years, 11.5% b. 25 Years, 12 5% c. 25 Years, 13.5% d. 25 Years, 15% e. What is the savings in interest cost between 11.5% and 15%? (Round intermediate calculations to 2 decimal places. Round your answer to the nearest dollar amount.)