The Data in the Tables Below, Show That Production In

The data in the tables below, show that production in:

A) Germany is subject to increasing domestic opportunity costs and the U.S.to constant domestic opportunity costs.
B) the U.S.is subject to increasing domestic opportunity costs and Germany to constant domestic opportunity costs.
C) both Germany and the U.S.are subject to constant domestic opportunity costs.
D) both Germany and the U.S.are subject to increasing domestic opportunity costs.