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.

a. Compute return on net operating assets (RNOA) for each company. b. Disaggregate RNOA into net operating profit margin (NOPM) and net operating asset turnover (NOAT) for each company. Do not round until your final answer. Round answers to two decimal places (percentage example: 0.12345 = 12.35%).

$ millions Total revenue Pretax net nonoperating expense Net income Average operating assets Average operating liabilities Marginal tax rate Return on equity HAL SLB $26,395 $36,097 718 469 1,574 2,068 22,193 64,444 6,477 18,149 2296 1996 18.5696 5.8696