Take me to the text One Product Company has a fiscal year end on December 31. The company has only one product in inventory, and all units of that product are identical (homogenous). The opening balance unit price is $18 per unit. Complete the following schedule to calculate the value of ending inventory using the weighted-average cost method under the perpetual inventory system. Then calculate the cost of goods sold for the year 2021. Do not enter dollar signs or commas in the input boxes. Required Calculate the cost of goods sold