Steve would like to get engaged but does not have the cash to pay for an engagement ring. He goes to a jeweler that offers him this deal: He can buy a ring for $8,000 and finance it through the company. Every month he has to pay 30% of the balance and they will add a $150 finance charge. Steve agrees to this, The balance on the card can be modeled by the function y - 8000(70)"-1 150, How long will it take him to pay it off? A) 6 months B) 12 months 18 months D) He will never pay it off