What type of transaction gives rise to the primary source of Walmart's revenues?At the end of each fiscal year, what does Walmart have to estimate to measure total(net) revenues for the fiscal year?

k. What types of expenses does Walmart likely include in(1)cost of goods sold and(2)selling general and administrative expenses?

I. Walmart reports interest expense that is much larger than interest income.Why?

Exhibit 1.20 Wal-Mart Stores, Inc. Income Statements for the Fiscal Years Ended,January 31 (amounts in millions; allow for rounding) (Integrative Case 1:1) 2014 2015 2016 Revenues Cost of goods sold Gross Profit Selling, general, and administrative expenses Operating Profit Interest income Interest expense Income before Tax Income tax expense Income (Loss) from discontinued operations Net Income Net income attributable to noncontrolling interests Net Income Attributable to Common Shareholders Other comprehensive income items Comprehensive Income $ 476,294 358,069 $118,225 91,353 $ 26,872 119 (2,335) $ 24,656 8,105 144 $ 16,695 (673) $ 16,022 (2,409) $ 13,613 $ 485,651 365,086 $ 120,565 93,418 $ 27,147 113 (2,461) $ 24,799 7,985 285 $ 17,099 (736) $ 16,363 (4,172) $ 12,191 $ 482,130 360,984 $121,146 97,041 $ 24,105 81 (2,548) $ 21,638 6,558 $ 15,080 (386) $ 14,694 (4,429) $ 10,265 Source: Wal-Mart Stores, Inc. Forms 10-K for the three fiscal years ended January 31, 2014, 2015, and 2016