You Have Just Purchased a Sony MP3 Player

Multiple Choice

You have just purchased a Sony MP3 player.As you head home from the store, you debate in your mind about whether your choice of the Sony was right, or whether you should have chosen the RCA.This is most likely an example of

A) indecisiveness.
B) cognitive dissonance.
C) postpurchase stress.
D) market anxiety.
E) extended problem solving.