According to Exhibit 7.2, what isthe difference between Wal-mart and Whole Foods Market revenue market share in 2012? Enter percentage and round to 2 decimal places.

EXHIBIT 7.2 Select Market Share Data Grocery Sales by Channel Actual 2011 2016 40.1% 17.2% 15.1% 8.5% Traditional Supermarkets Supercenters Convenience Stores Wholesale Clubs Drug Stores Mass Merchandisers Limited Assortment Grocery Stores Dollar Stores Other 37.4% 18.5% 15.6% 9.0% 5.9% 2.8% 3.7% 5.5% 4.4% 2.7% 2.2% 4.3% 2.3% 4.9% 2012 Revenue ($ billions) Top Grocery Retailers in North America Wal-Mart 145.0 Kroger 96.3 Costco 87.3 Target 73.1 Safeway 44.5 Loblaw Cos. 31.8 Publix 27.5 Ahold USA Retail 27.3 7-Eleven 22.0 C&S Wholesale Grocers 21.4 Delhaize America 19.5 H-E-B Grocery Co. 19.4 Sobeys 17.7 Dollar General Corp. 16.1 Meijer, Inc. 14.6 Wakefern Food Corp. 13.6 Metro Inc. 12.0 Whole Foods Market 11.7 Source:Market Share Reporter (Farmington Hills, MI: Gale, 2014) and author analysis