Sandhill Co. reports the following information (in millions) during a recent year: net sales, $12,485.0; net earnings, $230.0; total assets, ending, $5,435.0; and total assets, beginning, $5,855.0. (a) Calculate the (1) return on assets, (2) asset turnover, and (3) profit margin. (Round answers to 1 decimal place, e.g. 6.2% and 6.2.) 1. Return on assets 2. Asset turnover times 3. Profit margin