Manero Company included the following information in its annual report: 2019 2018 2017 Sales $ 178,400 $ 162,500 $ 155,500 Cost of goods sold 115,000 102,500 100,000 Operating expenses 50,000 50,000 45,000 Operating income 13,400 10,000 10,500 In a common-size income statement for 2019, the operating expenses are expressed as:

Inventory by three methods; cost of goods sold the units of an item available for sale during the year were as follows: jan. 1 inventory 20 units at $1,800 may 15 purchase 31 units at $1,950 aug. 7 purchase 13 units at $2,040 nov. 20 purchase 16 units at $2,100 there are 18 units of the item in the physical inventory at december 31. determine the cost of ending inventory and the cost of goods sold by three methods, presenting your answers in the following form: round your final answers to the nearest dollar. cost inventory method ending inventory cost of goods sold a. first-in, first-out method $ $ b. last-in, first-out method $ $ c. weighted average cost method $ $