In the Short Run, a Seller _____, but in the Long

Multiple Choice

In the short run, a seller _____, but in the long run, _____.

A) cannot differentiate its product; all sellers differentiate their products
B) can vary all its costs; the seller faces only fixed costs
C) faces a fixed number of rivals; the number of rivals can vary
D) faces no barriers to entry and exit; there are barriers to entry and exit