Inventoriable Costs
Any cost incurred to bring the merchandise to a salable condition (shipping insurance to a consignment location)
Sales commissions
are a selling expense and are never included in inventory costs.
Periodic vs. Perpetual inventory
Periodic relies on occasional physical inventory counts to determine ending inventory. Perpetual keeps continual track.
Cost to retail ratio
Cost of goods available for sale / Retail goods price
Retail inventory method
Takes inventory at retail price, multiplies by the cost to retail ratio to reach ending inventory at cost.