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Select a segment level and zoom on a column heading. The window that opens contains cost code information only for cost codes that contain that segment level in the tree view. For example, if you clicked on a phase level before zooming on the Committed Costs column, the information will appear in the Committed Costs Inquiry window only for cost codes associated with that phase. If you select a step level (which is one step below the phase level) before zooming, the information will appear only for cost codes that contain that step within that phase. The lower the tree view level, the more specific the cost code information will be.
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