On the Graph, If the Oligopolist's MC Curve Shifts from MC

Multiple Choice

On the graph, if the oligopolist's MC curve shifts from MC ₁ to MC ₂, the firm will charge

A) a higher price than before and total revenue will increase.
B) the same price as before and sell more output; total revenue will increase.
C) the same price as before and sell the same amount of output; total revenue will remain the same.
D) a higher price than before and sell less output; it can't be determined whether total revenue will change.