REVIEW: Use the following to answer questions 28 - 32 T&JR Corp reports the following income statement results: Gross profit Interest revenue Sales discounts Net Sales Operating expense Effective tax rate $298,000 3,000 12,000 718,000 194,000 21% 28. $ Calculate Sales. 29. $____ Calculate Income before Income tax (IBT). Calculate net income. 30. $. % Calculate the gross profit margin (one decimal place) 31. % Calculate the profit margin (two decimal places) 32. Chapter 9