Autos and Chemicals Are in Million of Units in the Following

Autos and chemicals are in million of units in the following production possibilities tables: The data in the tables above suggest that production in:

A) Germany is subject to increasing opportunity costs and the United States to constant opportunity costs
B) The United States is subject to increasing opportunity costs and Germany to constant opportunity costs
C) Both Germany and the United States are subject to constant opportunity costs
D) Both Germany and the United States are subject to increasing opportunity costs