Consider a competitive market with 50 identical firms.Suppose the market demand is given by the equation QD = 200 - 10P and the market supply is given by the equation QS = 10P.In addition,suppose the following table shows the marginal cost of production for various levels of output for firms in this market. 
How many units should a firm in this market produce to maximize profit?
Definitions:
Market Demand Curve
A graph representing the total quantity of a good or service demanded across different prices in a market.
Monopolistic Competition
A market structure characterized by many firms selling products that are similar but not identical, allowing for competition.
Barriers To Entry
Economic, procedural, or regulatory obstacles that prevent or hinder new competitors from easily entering an industry or area of business.
Number Of Sellers
The quantity of providers or sellers in a market, affecting competition and pricing dynamics.
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