Which of the Following Statements Is Correct

Which of the following statements is correct?

A) Net operating profit margin divided by net operating asset turnover equals return on net operating assets.
B) Return on net operating assets can be disaggregated into net operating profit margin and leverage.
C) Return on equity equals return on net operating assets less interest, net of tax.
D) Return on equity can be disaggregated into net operating profit margin, net operating asset turnover and leverage.