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| Column header | Description |
|---|---|
| Department | The name of each extension group the system has logged calls for. If an extension group is missing from this list, no calls were registered for that user group within the time period the report was run for. |
| Cost | The cost of all calls for the selected time period. |
| Tax | The amount of tax charged. |
| Total Cost | The total cost of all calls, including the tax. |