Which of these social sciences deals most with models of behavior rather than with thought processes?

A firm will produce at the point where their total cost line hits the ___________ isoquant curve.

Fill in the blank(s) with the appropriate word(s).

If the European Central Bank increases interest rates

A) the demand curve for European euros shifts rightward and the supply curve of European euros shifts leftward. B) the demand curve for European euros shifts leftward and the supply curve of European euros shifts rightward. C) the demand curve for European euros and the demand curve for U.S. dollars both shift rightward. D) the demand curve for European euros shifts leftward and the demand curve for U.S. dollars shifts rightward.