Compute the component percentages for Lowe's income statement below. Discuss any trends you observe.

LOWE'S COMPANIES, INC Consolidated Statements of Earnings (in millions, except per share and percentage data) Fiscal Years Ended on January 30, 2015 February 1 2013 January 31 2014 S53417 34,941 18,476 % Sales % Sales % Sales $56,223 36,665 19,558 100.00% $50,521 33,194 17,327 100.00% Net sales Cost of sales Gross margin Expenses: 100.00% Selling, general, and administrative 13,281 1,485 12.865 1,462 12,244 1,523 Depreciation 476 Interest-net Total expenses Pre-tax earnings Income tax provision Net earnings 516 423 15,282 4,276 1,578 s2,698 4,803 3,673 1,387 s 2,286 14,190 3,137 1,178 1,959