A) is smart short term career.
Forming monopolies and taking control of a market through vertical or horizontal integration (i.e., Standard Oil Trust headed by John D. Rockefeller).
Answer:
Option B is correct.
<u>some firms will enter in the long run causing market supply to increase and market price to rise, increasing profit for all firms.</u>
Explanation:
When firms in perfectly competitive Market incurs a loss then some firms will exit the market, leaving less number of firms and thus supply decreases which also increase the prices and increases the profit of the remaining firms
