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In accounting and finance, earnings before interest and taxes (EBIT) is a measure of a firm's profit that includes all incomes and expenses (operating and non-operating) except interest expenses and income tax expenses.  
- EBIT = Net income + Interest + Taxes = EBITDA – Depreciation and Amortization expenses
- Operating income = operating revenue – operating expenses (OPEX) = EBIT – non-operating profit + non-operating expenses 
A professional investor contemplating a change to the capital structure of a firm (e.g., through a leveraged buyout) first evaluates a firm's fundamental earnings potential (reflected by earnings before interest, taxes, depreciation and amortization ( EBITDA) and EBIT), and then determines the optimal use of debt vs. equity.
To calculate EBIT, expenses (e.g. the cost of goods sold, selling and administrative expenses) are subtracted from revenues.  Net income is later obtained by subtracting interest and taxes from the result.
|Cost of goods sold||$7,943|
|Selling, general and administrative expenses||$8,172|
|Depreciation and amortization||$960|
|Total operating expenses||$9,270|
|Earnings before Interest and taxes (EBIT)||$3,355|
|Income before interest expense (IBIE)||$3,400|
|Earnings before income taxes (EBT)||$3,210|
Earnings before taxes (EBT) is the money retained by the firm before deducting the money to be paid for taxes. EBT includes the money paid for interest. Thus, it can be calculated by subtracting the interest from EBIT (earnings before interest and taxes).
- Earnings before interest, taxes, and amortization (EBITA)
- Earnings before interest, taxes, and depreciation (EBITD)
- Earnings before interest, taxes, depreciation, amortization, and restructuring or rent costs (EBITDAR)
- Earnings before interest, taxes, depreciation, and amortization (EBITDA)
- Earnings before taxes
- Operating income before depreciation and amortization (OIBDA)
- Bodie, Z., Kane, A. and Marcus, A. J. Essentials of Investments, McGraw Hill Irwin, 2004, p. 452. ISBN 0-07-251077-3
- "Earnings before interest and, taxes (EBIT) definition".
- "How are EBIT and operating income different?".
- http://www.investorwords.com/1631/EBIT.html EBIT definition
- Bodie, Z., Kane, A. and Marcus, A. J. Essentials of Investments, McGraw Hill Irwin, 2004, p. 452.