Use the following to answer questions 34 - 39 SC reports the following income statement results: Sales Operating expense Net income Sales returns & allowances Gross profit Interest revenue $945,000 335,000 89,000 5,000 440,000 8,000 34. $__ Calculate Net sales: 35. $_ _Calculate Cost of Goods Sold 36. $. Calculate operating income 37. s Calculate Income before Income tax (IBT) _%. Calculate the gross profit margin (one decimal place) 39. %. Calculate the net profit margin (one decimal place)