Use the Following Information to Answer the Question(s)below

Use the following information to answer the question(s) below.
Suppose that the market portfolio is equally likely to increase by 24% or decrease by 8%.Security "X" goes up on average by 29% when the market goes up and goes down by 11% when the market goes down.Security "Y" goes down on average by 16% when the market goes up and goes up by 16% when the market goes down.Security "Z" goes up on average by 4% when the market goes up and goes up by 4% when the market goes down.
-The expected return on security "Y" is closest to:

A) 0%.
B) 4%.
C) 10%.
D) 15%.