A delivery service is buying 600 tires for its fleet of vehicles. One supplier offers to supply the tires for $80 per tire, payable in one year Another supplier will supply the tires for $20,000 down today, then $45 per tire, payable in one year. What is the difference in PV between the first and the second offer, assuming interest rates are 7.4% h O A. $447 O B. - $ 179 O C. $670 O D. - $670