When inventory prices are increasing, which inventory valuation method would give you the lowest cost of goods sold? B. FIFO LIFO Weighted Average Specific Identification D. The net method of recording sales violates the: A. Matching Principle Cost Principle Revenue Principle De here] D. None of the Above The formula for calculating the COGS when using the periodic inventory system is COGS=COST-SALVAGE VALUE/LIFE COGS=SALES LESS EXPENSES COGS=BI+NP-EI COGSEBEGING INVENTORY-ENDING INVENTORY-GAFS D