You are given the following information about an investment account:

Date	Value Immediately Before Deposit	Deposit
January 1	10
July 1	12	X
December 31	X

Over the year, the time-weighted return is 0%, and the dollar-weighted return is Y.

Calculate Y.

A) 25%

B) 10%

C) 0%

D) 10%

E) 25%