Answer the question on the basis of the accompanying production possibilities tables for two countries, Latalia and Trombonia. Latalia's production possibilities
A B C D E
Pork (Tons) 4 3 2 1 0
Beans (Tons) 0 5 10 15 20
Trombonia's production possibilities
A B C D E
Pork (Tons) 8 6 4 2 0
Beans (Tons) 0 6 12 18 24
Refer to the tables. In Latalia the domestic real cost of 1 ton of pork:
A) is 3 tons of beans.
B) diminishes with the level of pork production.
C) is 5 tons of beans.
D) is 1/5 of a ton of beans.