Zack's Sub Shop advertises a new company policy. If a consumer can show that another sandwich shop in the area sells cheesesteaks for a lower price, Zack's will sell that customer the cheesesteak at that low price. For all other consumers, Zack's charges them a higher price. Which strategy is Zack's engaging in? a) Brand Loyalty b) Cross Subsidies c) Price Matching d) Randomized Pricing