Within a construction company there are estimators who review construction drawings and specifications manuals. Upon this review, they will determine the price or cost to construct the building. There are many skills that an estimator must have to complete the work accurately. An estimator's job is not only to determine the cost of construction but also to include a level of profit. What skill sets are required to be an estimator? As part of an estimate, define the following terms:
• Retainage
• Allowances
• Depreciation
• Unit prices
Provide an example of each term.