The following are selected ratios for Baker Hughes Inc. year-end (in millions) financial statements. What is the companys return on equity (ROE) for the year?

Return on net operating assets (RNOA) 5.94%

Profit margin (PM) 4.90%

Net operating profit margin (NOPM) 5.59%

Asset turnover (AT) 0.82

Financial leverage (FL) 1.57

A)7.20% B)7.65% C)3.83% D) 6.31%