Little Co. had the following balances on December 31, 201X: The accountant for Little has asked you to make an adjustment because $420 of janitorial services has just been performed for customers who had paid for 2 months. Construct a transaction analysis chart. Oak Co. purchased merchandise costing $380,000. Calculate the cost of goods sold under the following situations: a. Beginning inventory $40,000 and no ending inventory b. Beginning inventory $54,000 and a $56,000 ending inventory