When perfectly competitive firm x sells three units of product z, its marginal revenue is $4.67. when it sells one hundred units, marginal revenue is $4.67. we can conclude that the price is:
(a) $4.67.
(b) dropping.
(c) the price cannot be calculated with the information given.
(d) too high.

A) $4.67

Explanation:

In a perfectly competitive market, marginal revenue always is equal to price.  Also, the price is not determined by the firms, it is given by the market because producers doesn´t have any power of decision in this matter.

Due to that, the price is constant, independent the quantity sold.

answer; intellectual property protection;

answercompetitive advantage;