Question

If a monopolist increases the selling price of a good from $20 to $30, then what is the marginal revenue?

a. $20
b. $30
c. $10
d. this cannot be determined from the information given.

Answer 1

..ok, if D isn't the answer, would anyone mind stating the correct one in it's place? I've only ever seen D as the answer people give, but I also only see low ratings! what do?

Step-by-step explanation:

Answer 2

the answer is D. Cannot be determined from the information given
Marginal revenue is the amount of revenue that the company will receieve by increasing the sales by 1 product.
In order to calculate this, we need information about the difference in profit and the difference in amount of product sales.