Name the following substance.Atoms other than carbon and hydrogen are labeled. 
Definitions:
Average Total Cost
The total cost divided by the quantity of output produced, representing the per-unit production cost.
Marginal Cost
The increase in cost resulting from the production of one additional unit of a good or service.
Firm's ATC
The average total cost for a firm, calculated by dividing the total costs by the quantity of output produced.
Sales
Sales refer to the transactions where goods or services are exchanged for money, reflecting the revenue generating activities of a business.
Q3: Name the following substance.Atoms other than carbon
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