Sales Cost of goods sold Gross margin Operating expenses Net income Number of shares of common stock Market price of common stock Dividends per share Cash provided by operations What is the rate earned on stockholders' equity? 7.3% O 13.6% 20.5% 40.9% $90,000 45,000 $45,000 15,000 $30,000 6,000 $20 $1.00 $40,000