Compute, Disaggregate, and Interpret RNOA of Competitors 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 HAL SLB Total revenue $28,794 $39.378 Pretax net nonoperating expense 784 511 Net income 2,071 2.721 Average operating assets 29,201 84.795 Average operating liabilities 7,066 19,799 Marginal tax rate 2296 19% Return on equity 18.56% 5.86% 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%). HAL SLB 98 RNOA NOPM NOAT