When Perfectly Competitive Firms Are Said to Be Price Takers

When perfectly competitive firms are said to be price takers, it means that firms:

A) are able to set the market price but cannot set the price of their product.
B) must accept the market price and cannot set the price of their own product.
C) must accept the market price but are able to set the price of their own product.
D) are able to set the market price and set the price of their own product.