Compute Net Operating Assets Selected balance sheet and income statement information for Home Depot follows. $ millions Jan. 31, 2016 Feb. 01, 2015 Operating assets $40,583 $38,473 Nonoperating assets 2,241 1,748 Total assets 42,824 40,221 Operating liabilities 15,018 13,527 Nonoperating liabilities 21,285 17,167 Total liabilities 36,303 30,694 Sales 88,999 Net operating profit before tax (NOPBT) 12,024 Nonoperting expense before tax 778 Tax expense 4,088 Net income 7,158 Compute net operating assets for the years ended January 31, 2016 and February 1, 2015. 2016 NOA $ 2015 NOA $