Use the following to answer questions 30 - 35 Find the missing amounts: Case 1 Case 2 Case 3 Net Sales 5687.500 5798,600 2 COGS 2 452,100 612,4001 Gross profit 312,100 1358.900 Operating expense 273.000 284,500 Operating income ? ? 98,700 30. $ sold For case 1, determine cost of goods 31. $ For case 1, determine operating income (include "-" if needed) 32. S For case 2, determine gross profit 33. $ For case 2, determine operating income (include - if needed) 34. S For case 3, determine net sales For case 3, determine operating 35. $ expense