5) Fatima paid $2,950 for a new wall oven with her credit card. Fatima's credit card has an APR of 13.09%, compounded monthly. It took Fatima seven years of identical monthly payments to pay for her
oven, and she made no other purchases with her card until it was paid off. Over the ten years that she
kept the oven, it used an average of $2.57 per week in electricity. Between the electricity and the interest,
which component of the lifetime cost of the oven was greater, and how much greater was it? (Round all
dollar values to the nearest cent.)