Use the following to answer questions : 
-(Table: The Production Possibilities for Tractors and Crude Oil) Look at the table The Production Possibilities for Tractors and Crude Oil. In the United States the opportunity cost of producing 30,000 barrels of crude oil is _____ tractors.
Definitions:
Accumulated Depreciation
Accumulated depreciation represents the total amount of depreciation expense that has been recorded against a fixed asset over its useful life.
Operating Costs
Expenses associated with the day-to-day functionalities of a business, including costs for materials, labor, and overhead.
Scrap Value
The estimated residual value of an asset at the end of its useful life.
Manufacture Further
The process of conducting additional production activities intended to enhance the value or functionality of a product.
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