Currently an Economy Is Producing at a Point on Its

Multiple Choice

Currently an economy is producing at a point on its production possibilities frontier for goods X and Y.It is producing 100 units of good X and the opportunity cost of producing 1X is 3Y.If good X is produced at increasing opportunity costs,then when the economy produces 120 units of good X (on the same PPF) the opportunity cost of producing 1X could be ______Y.

A) 4
B) 2.5
C) 2
D) 1
E) all of the above