# Profit Margin

## What it is:

Profit margin usually refers to the percentage of revenue remaining after all costs, depreciation, interest, taxes, and other expenses have been deducted. The formula is:

(Total Sales - Total Expenses)/Total Sales = Profit Margin

Note that preferred stock dividends are typically included in the calculation, but common stock dividends are not.

## How it works (Example):

Here is some information about Company XYZ for last year:

Using the formula and the information above, we can calculate that Company XYZ's profit margin was:

(\$1,000,000 - \$500,000 - \$300,000 - \$100,000 - \$5,000 + \$1,000 - \$10,000 - \$10,000)/\$1,000,000 = \$76,000/\$1,000,000= 7.6%

## Why it Matters:

Profit margin is one of the most analyzed numbers a company can produce, and it plays a part in many other financial measures. It is important to understand that profit margin is not a measure of how much cash a company earned during a given period. The income statement, and hence profit margin, typically includes noncash expenses, such as depreciation. It is also important to understand that changes in accounting methods can greatly influence profit margins, and these changes may have little to do with a company's actual operations.

Changes in profit margins are the subject of much analysis. In general, low profit margins could suggest myriad problems, from inadequacies in customer or expense management to unfavorable accounting methods. However, some companies strive to minimize taxes and will therefore intentionally minimize profit margins.

Profit margin varies greatly between companies and industries. Care should also be taken when comparing profit margin over time, as many companies and industries are cyclical. This is why comparisons are generally most meaningful among companies within the same industry, and the definition of a "high" or "low" net income should be made within this context.

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