The initial value of an account was 11 on April 27, when a deposit of D was made. The balance at September 30 was 13 and a withdraw of W was made. The balance on October 31 was 12. The balance on December 31 was 13. The dollar weighted rate of return was 0% and the time weighted rate of return was 4%. Find W.

Answer Choices: (A) 4.5 or (B) 2.5