4-COGS 00 Question Six: (5 marks) Swann Company uses a periodic inventory system and has these account balances on December 31, 2021: $19,000; beginning inventory of $45,000; ending inventory of $55,000; and net sales of $750,000, Freigh Purchases $600,000; Purchase Returns and Allowances $25,000; Purchase Discounts $11,000, Freight-in out $5,000; Sales discount $3,000. Required: Determine the following for the year ended December 31, 2021. -Net Purchases 2-Cost of goods purchased 3- Cost of goods available for sale