Find the missing amounts: 30. $ For case 1, determine cost of goods sold 31. $ For case 1, determine operating income (include "_-" if needed) 32. $ For case 2, determine gross profit 33. \$ For case 2, determine operating income (include "_"" if needed) 34. S For case 3 , determine net sales 35. $ For case 3, determine operating expense 36. Inventory records for DAD Incorporated revealed the following: DAD sold 290 units of inventory during the month. Ending inventory assuming LIFO would be $ 37. Inventory records for MOM Company revealed the following: MOM sold 570 units of inventory during the month. Ending inventory assuming FIFO would be $ 38. Inventory records for STC Company revealed the following: STC sold 90 units of inventory during the month. Ending inventory assuming Weighted Average would be $ Use the following to answer questions 3940 MATCH... For each of the following independent situations, fill in the blanks to indicate the effect of the error on each of the various financial statement items. Assume that each of the companies uses a periodic inventory system. Indicate: (A) an understatement (B) an overstatement or (C) no effect, correct