One year ago you bought 250 shares of stock for 88.00 per share on margin (your initial margin was 65% ). Over the year, the interest you paid on the margin loan was 60 but you have received dividends amounting to 0.5 per share. The stock now sells for 81.50 a share in the market. There are no further commissions. What is your percentage return on invested capital? 11% 20% 12% 7%