Mr. reed is buying two mountain bikes for his two sons. best bikes is offering the model he wants to purchase for $525, and he can use a coupon for $50 and 5% off each bike. fast bikes is selling the same mountain bike model for $559, and he can use a coupon for $100 off each bike. which store offers the best price? how much money will mr. reed save by purchasing both bikes from that store? a) fast bikes; $7.75 b) best bikes; $7.75 c) fast bikes; $15.50 d) best bikes; $15.50