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