Amount? If a group of inventory items costing $15,000 had been omitted from the year-end Inventory count, what impact would the error have on the following inventory calculations? Indicate the effect (and amount) as either (a) none, (b) understated s -, or (c) overstated Enter zero if there is no amount None, Understated or Inventory Item Overstated? Beginning Inventory Purchases Goods Available for Sale Ending Inventory Cost of Goods Sold