Contrast the effect of LIFO vs FIFO on cash outflow and inflow.
When prices are rising, LIFO causes a lower taxable income than does FIFO. Therefore, when prices are rising, income tax is less under LIFO than FIFO. A lower tax bill saves cash (reduces cash outflow for income tax). The total amount of cash saved is the difference between LIFO and FIFO inventory amounts multiplied by the income tax rate.
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