Diane Rae Is a Farmer in the Perfectly Competitive Industry

Diane Rae is a farmer in the perfectly competitive industry of sugar cane. She knows that she can sell more output than she currently does

A) only by lowering the price of her sugar cane
B) only if she is able to drive out some of her competition
C) without affecting the market price
D) by raising the barriers to entry so that more of the market is left to those like herself who are already in the industry
E) only if she can develop a patent on sales