When Determining the Rate of Return on Assets

When determining the rate of return on assets:

A) return on assets is the product of three "drivers" according to the DuPont model.
B) the DuPont model calculates the rate of return on assets as the net profit margin ratio times total asset turnover ratio.
C) it is important for companies to develop strategies to decrease total asset turnover.
D) total asset turnover measures how much every sales dollar generates in profit.