4. For the three-part question that follows, provide your answer to each part in the given workspace. Identify each part with a coordinating response. Be sure to clearly label each part of your response as Part A, Part B, and Part C. Christopher borrows $7,500 to build a garage. He agrees to pay $475 a month for 24 months but pays off the loan after 18 months. Part A: Determine the amount of unearned interest. Part B: Determine the amount needed to repay the loan using the Rule of 78. Part C: Show your work to support your answers to Part A and Part B.

4. For the three-part question that follows, provide your answer to each part in the given workspace. Identify each part with a coordinating response. Be sure to clearly label each part of your response as Part A, Part B, and Part C. Christopher borrows $7,500 to build a garage. He agrees to pay $475 a month for 24 months but pays off the loan after 18 months. Part A: Determine the amount of unearned interest. Part B: Determine the amount needed to repay the loan using the Rule of 78. Part C : Show your work to support your answers to Part A and Part B