Answer:
Market A: 
Market B: 
Explanation:
Market A:
........................ (1)
Market B:
........................ (2)
MC = m = 20 ............................................... (3) for both markets
For Market A:
Profit maximizing price can be obtained when 
Therefore, we have:





Substituting 50 for
in equation (1), we have:



For Market B:
Profit maximizing price can be obtained when 
Therefore, we have:




Substituting 80 for
in equation (2), we have:


I would say 4
Hope this helps!!
The action that Lucy and Everly will most likely take is obtaining of data compiled by databases created by marketing research firms within the new geographic market.
Marketing research means a process of gathering, recording, analyzing and drawing conclusion on collected data from potential customers of a product to facilitate decision making.
- Main purpose of the marketing research is to provides information which are relevant for decision making in the firm.
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In conclusion, the action that Lucy and Everly will most likely take is obtaining of data compiled by databases created by marketing research firms within the new geographic market.
Read more about Marketing research
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Answer:
B. will be horizontal
Explanation:
A type of market where output is identical to the output of any other firm in the market and the market has many firms and transaction costs are low is the perfect competition.
The demand curve is horizontal because in this type of market, price is set by the forces of demand and supply. Buyers are sellers are price takers and they don't have any influence over prices. At the going market price, sellers sell all the quantities of their products.
But if they attempt to increase price, quanitity demanded would fall to zero as consumers would easily shift to other sellers. Also, there would be no incentive to reduce price because they would be earning a loss.
I hope my answer helps you