Please assist with the following:

Calculating Gross Profit and Inventory Turnover The following table presents sales revenue, cost of goods sold, and inventory amounts for three computer/electronics companies, Samsung Electronics Co., Hewlett-Packard Company, and Apple Inc. $ millions Fiscal year ending Samsung Electronics Co. Ltd. (S. Korean won) Dec. 31, 2014 Dec. 31, 2013 Dec. 31, 2012 206,205,987 228,692,667 201,103,613 128,278,800 137,696,309 126,651,931 17,317,504 19,134,868 17,747,413 Oct. 31, 2014 Oct. 31, 2013 Oct. 31, 2012 77,887 59,468 6,317 Sep. 27, 2014 Sep. 28, 2013 Sep. 29, 2012 156,508 87,846 Revenues Cost of goods sold Inventory Hewlett-Packard Company (US dollar) Revenues (Products only) Cost of goods sold Inventory 73,726 56,469 6,415 72,398 55,632 6,046 Apple Inc. (US dollar) Revenues Cost of goods sold Inventory 182,795 112,258 2,111 170,910 106,606 1,764 Required