Below Is a Production Possibilities Curve for a Large Tract

Multiple Choice

Below is a production possibilities curve for a large tract of prairie farm land.

-Refer to the graph above to answer this question.Given the shape of the PP curve,which of the following statements is correct?

A) The law of increasing costs doesn't apply.
B) The resources being used to produce rye and wheat are very similar.
C) The two goods being produced are very similar.
D) Opportunity costs are constant.
E) It is better for the economy to product rye.