The records of Milwaukee Sprinkler Systems report net sales of $500,000, net income of $150,000 and average total assets of $330,000. Using DuPont analysis, calculate the two ratios used for return on assets. (Round your final answer to two decimal places.)

A Net profit margin ratio is 2.2; Total asset turnover is 30%. B Net profit margin ratio is 2.17; Total asset turnover is 45%. C Net profit margin ratio is 45%; Total asset turnover is 3.33 D Net profit margin ratio is 30%; Total asset turnover is 1.52.