The pesiodic inwontory records of Syrthetix Prosthotics indicate the following for the month of July: (Click the icon to view the inventory records.) At Jaty 31, Synthetix counts six units of invontary on hand. a. Computs ending ir wemocy and cost of goods sold using the FIFO irventory costing mothod. b. Compuse ending invertory and cost of goods sold using the weightod-awerage-cost mothod. Inventory Records