Answer:
perfectly elastic over the relevant range of output.
Explanation:
In a perfect competition there are many firms in the market selling goods that are usually homogeneous in nature. Each individual firm will not be able to influence the price for which it offers goods and services to the customer.
The firm's are price takers and there is no barrier to entry.
This results in a situation where for all levels of quantity demanded there is no change in price, and demand curve is a horizontal line.
