cost in the construction estimate. 2. Labor cost is a primary category of direct cost in the construction estimate. 3. Administration cost is a primary category of direct cost in the construction estimate. 4. Selling & distribution cost is a primary category of direct cost in the construction estimate. 5. Equipment are a primary category of direct cost in the construction estimate. 6. Subcontracts cost is a primary category of direct cost in the construction estimate. 7. Security cost is a primary category of direct cost in the construction estimate.

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