M3-20. Compute Net Operating Assets (NOA) Refer to the balance sheet information for Home Depot, from M3-18. Compute net operating assets for the years ended January 31, 2016 and February 1, 2015. $ millions Jan. 31, 2016 Feb. 01, 2015 Operating assets Nonoperating assets Total assets. $40,333 2,216 42,549 $38,223 1,723 39,946 Operating liabilities. Nonoperating liabilities. Total liabilities. 14,918 21,315 36,233 13,427 17,197 30,624 Total stockholders' equity 6,316 9,322 Sales... Net operating profit before tax (NOPBT) Nonoperating expense before tax Tax expense . Net income. 88,519 11,774 753 4,012 7,009