Your local T-Spirit store is having a sale on the latest i-razpod cell phone. The store is also offering financing to those who
 qualify. The new cell phone is on sale for $150.00 with a two year contract. The sales associate informs you that the
 closed-end installment loan offered by the store is a 24 month installment plan with monthly payments of $8.44.
 Determine the finance charge (interest) of the installment loan.
 a $52.00
 C. $54.30
 b. $52.56
 d. $56.10