What is the correct structure for (R) -7-bromo-1-octyn-4-one? 
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Zero Economic Profits
Occurs when a firm earns just enough revenue to cover its total costs, including opportunity costs, but no more.
Efficiently
Performing or functioning in the best possible manner with the least waste of time and effort.
Economies of Scale
The cost advantage achieved by businesses when production becomes efficient, as the scale of operation increases leading to a reduction in average costs.
Positive Economic Profits
Earnings that exceed the total costs, including both the explicit and implicit costs of a business.
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