Is the Average Cost Method a Permissible Inventory Method for Federal Income Tax Purposes in the Oil and Gas Industry?
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Bill Wilson and Larry Walter
Many oil and gas companies have significant inventories of purchased and/or produced oil, gas, and derivative products. For financial accounting purposes, inventory cost may be determined by specific identification or by the association of the flow of cost factors—first-in, first-out (FIFO), last-in, first-out (LIFO), and average cost. This article addresses whether the use of the average cost method clearly reflects income for federal income tax purposes and illustrates the potential impact that using the average cost method rather than FIFO can have on taxable income during periods of rising prices.
Is the Average Cost Method a Permissible Inventory Method for Federal Income Tax Purposes in the Oil and Gas Industry? Walter, Bill and Walter, Larry, Spring 2003, pp. 70‑83.