While fighting crimes in New York, Peter Parker also owns Spidey Apparel, an apparel store that specializes in tight shirts and pants, masks, and sticky gloves. In 2015, his store had total current assets of $1,200,000 and total fixed assets of $1,600,000. And, its net sales were $2,100,000, and its net profit margin was $42,000. Calculate the store's return on assets. 7.5% 1.5% 71.4% 2.8%