1.If you have traveled to other countries, you may have firsthand knowledge about McDonald’s menu items that are available only in foreign markets, but McDonald’s menus also contain regional variations in the United States. A few of these regional menu offerings include breakfast platters with Spam and rice in Hawaii, the McLobster sandwich in Maine, a crab cake sandwich in parts of the mid-Atlantic, and biscuits and gravy in the deep south. In addition to these regional items, McDonald’s also offers some menu items on a limited-time basis, such as the McRib sandwich, the Cherry Berry Chiller, and the Angus Chipotle BBQ Burger. Why would a company like McDonald’s offer menu items that are region-specific or available only for a limited time?