The following table summarizes the impact of LIFO and FIFO inventory methods on selected financial ratios.

FINANCIAL STATEMENT/RATIOFIFOLIFO
Net Income and Profit MarginsUsually higher in a rising price environment.Usually lower in a rising price environment.
Pre-tax Cash FlowSame.Same.
After-tax Cash FlowUsually lower in a rising price environment because a company is reporting higher net income due to lower COGS.Usually higher in a rising price environment because a company is reporting lower net income due to higher COGS.
Current Ratio = Current Assets/Current LiabilitiesUsually higher in a rising price environment because reported inventories are more valuable and COGS is lower.Usually lower in a rising price environment because reported inventories are based on lower cost purchases and higher COGS.
Inventory Turnover = COGS/Avg. InventoryUsually lower in a rising price environment because the average cost of inventory will be higher.Usually higher in a rising price environment because the average cost of inventory will be lower.
Debt-to-Equity Ratio = Total Interest Bearing Debt/Total Shareholders’ EquityUsually lower in a rising price environment.Usually higher in a rising price environment.
Return on Assets
=Net Income/ Avg. Total Assets
Return on Equity
= Net Income / Avg. Total Equity
Usually higher in a rising price environment because net income is higher.Usually lower in a rising price environment because net income is lower.