Sills Nifty Craft Store has total assets of $4,600,000, accounts receivable of $900,000, accounts payable of $700,000, inventory valued at $1,500,000, and total liabilities of $2,500,000. In 2016, its net sales were $2,100,000, and its operating profit margin equaled $84,000. Calculate the store's return on assets. ( 3 pts.) 70.4% 2.8% 8.2% 7.8% 1.8%