_____, the most affluent U.S. demographic subculture, now have more than $450 billion in annual spending power. Buying Behavior _____, the most affluent U.S. demographic subculture, now have more than $450 billion in annual spending power. A) African Americans B) Hispanics C) Asian Americans D) Gen Xers E) Gays and lesbians Answer: C) Asian Americans Learn More : Share this Share on FacebookTweet on TwitterPlus on Google+