(a) Assuming the company uses a periodic inventory system determine the following: Type value here! Beginning Inventory $ Purchases $ Cost of Goods Available for Sale During January 2021, Sarah Company had the following beginning inventory and purchases for a given product. Units Unit cost Date Jan. 1 20 12 21 Description Beginning Inventory Purchase Purchase Purchase TOTAL S2 3 4 15 Total cost $40 63 72 80 $255 15 29 18 16 75 In January 65 units of the same product were sold. Required: (a) Assuming the company uses a periodic inventory system determine the following: Type value here, Beginning Inventory S 132 Purchases S Cost of Goods Available for Sale g