Identify the surface with equation 
Definitions:
Undepreciated Cost
Undepreciated cost refers to the original cost of an asset minus any depreciation that has been claimed to date, reflecting its current book value.
Business Automobile
A vehicle owned and used by a company for business operations or activities.
Market Value
The current price at which an asset or service can be bought or sold, determined by supply and demand dynamics in open markets.
Market Value
The current market valuation at which you can buy or sell a service or asset.
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