- LIFO/FIFO which ones differ with Periodic and Perpetual - What kind of account is Inventory/balance debit or credit - Differences between periodic and perpetual - Safeguard Inventory - Retail Method (problem) - Gross Profit Method (problem) - Find COGS and or ending inventory using FIFO, LIFO and average cost using eith periodic or perpetual - Find Gross Profit using FIFO, Average Cost and LIFO COGS - Know how to calculate Goods Available for Sale - Ending Inventory contains oldest or newest goods which method - Inventory Turnover Ratio - Days Sales in Inventory