Halliburton and Schlumberger compete in the oil field services sector. Refer to the following 2018 financial data for the two companies to answer the requirements.

millions jan 2016 feb 2015

Operating assets $40,783 $38,673

Non Operating assets 2,291 1,798

Total assets 43,074 40,471

Operating liabilities 15,068 13,577

non operating liabilities 21,270 17,152

Total libilities 36,338 30,729

Sales 89464

Net operating profit before tax (nopbt) 12,224

Non Operating expense before tax 828

Tax expense 4523

Net income 6873

Compute net operating assets for the years ended january 31,2016 and February 1, 2015

2016 NOA $

2015 NOA $