Use the Following to Answer Question

Use the following to answer question
Figure: Bran Muffins and Corn Flakes PPF
-(Figure: Bran Muffins and Corn Flakes PPF) The graph shows the possibilities frontier for a bakery that makes corn flakes and bran muffins.Which of the following is NOT correct?

A) The opportunity cost of increasing production of corn flakes from 200 to 300 pounds is 50 pounds of bran muffins.
B) Due to limited resources,there is a tradeoff between producing corn flakes and bran muffins.
C) The graph implies that resources well-suited for making corn flakes are not as well-suited for producing bran muffins.
D) The company faces decreasing opportunity costs.