The following information was extracted from quarterly reports for Wal-Mart Stores, Inc. (amounts in millions) The following information was extracted from the notes to the financial statements in the Wal-Mart Stores, Inc., Annual Report (for the fiscal year ended January 31,2012, amounts in millions): Required Assess the seasonal nature of Walmart's sales and income for the company as a whole and by operating segment Assess Walmart's profitability by quarter and by operating segment