Problem 6-65A Applying the Cost of Goods Sold Model The following amounts were obtained from the accounting records of Rabren Supply Company: Required: Compute the missing amounts. Net sales Cost of goods sold: Beginning inventory Purchases Goods available for sale Ending inventory Cost of goods sold Gross margin $36,800 (42,780) 2018 2019 $359,620 $423,150 $116,450 301,600 289,700