1) Berkshire LLC reported the following income statement and balance sheet amounts on December 31, 2011. 2011 2010 Net sales revenue (all credit) $950,000 Cost of goods sold 630,000 Gross profit 320,000 Selling and general expenses 230,000 Interest expense 20,000 Net income $70,000 Current assets $60,000 $55,000 Long-term assets 465,000 445,000 Total assets - 12/31 $525,000 $500,000 Current liabilities $25,000 $20,000 Long-term liabilities 105,000 205,000 Common stockholders equity - 12/31 395,000 275,000 Total liabilities and stockholders' equity $525,000 $500,000 Inventory and prepaid expenses account for $20,000 of the 2011 current assets. Average inventory for 2011 is $15,000. Average net accounts receivable for 2011 is $30,000. Average one-day sales are $3,150. There are 7,000 shares of common stock outstanding. Total dividends paid during 2011 were $140,000. The market price per share of common stock is $21. 1) What is the company's times-interest-earned ratio? 2) What is the company's rate of return on net sales? 3) What is the company's rate of return on total assets? 4) What is the company's rate of return on common stockholders' equity?