Balin Purchases Fair Trade Cocoa Out of Concern for Workers

Balin purchases fair trade cocoa out of concern for workers' rights and environmental sustainability. He could purchase cocoa of equal quality at a lower price. Behavioral economists would consider Balin's purchase

A) unusual in that it demonstrates concern for others.
B) purely self-interested but motivated by something other than his financial well-being.
C) as evidence that Balin is not acting purely in his self-interest.
D) a bad decision because it ignores important information that could improve Balin's well-being.