Calvin Has Been on a "Pleasure Binge" for the Last

Calvin has been on a "pleasure binge" for the last three days. He has cleaned out his bank account spending the money on anything that gains his attention. He would be described as loud, elated, and hyperactive. A week ago he was feeling like a failure and was withdrawn and unhappy. Calvin would most likely be diagnosed with

A) schizophrenia.
B) bipolar disorder.
C) dysthymia.
D) dissociative disorder.