Concept:Cost of goods sold is calculated from the trading account using opening stock, purchases, and closing stock.Explanation:Use the formula:Cost of goods sold=Opening stock+Purchases−Closing stockSubstitute the given values:=10,000+120,000−22,800=107,200Therefore, the cost of goods sold is GH⊄ 107,200.Answer:B. GH⊄ 107,200