REVIEW: Use the following to answer questions 28-32 T&JR Corp reports the following income statement results: Gross profit $338,000 Interest expense 6,000 Sales discounts 15,000 Net Sales 789,000 Operating expense 214,300 Effective tax rate 20% 28. $ Calculate Sales. 29. $ 30. $ 31. 32. Calculate Income before Income tax (IBT). Calculate net income. % Calculate the gross profit margin (one decimal place) % Calculate the profit margin Two decimal places)