After moving into their new house, the Billington family purchased new kitchen appliances at a cost of...

7. After moving into their new house, the Billington family purchased new kitchen appliances at a cost of $4,149. They financed their purchase for 42 months at an annual interest rate of 12%. Calculate the total cost of their loan, then tell how much total interest they paid to finance their appliances.
- They paid $1,219.55 in interest.
- They paid $5,102.16 in interest.
- They paid $497.88 in interest.
- They paid $953.16 in interest.