An Electron Enters a Region That Contains a Magnetic Field

An electron enters a region that contains a magnetic field directed into the page as shown. The velocity vector of the electron makes an angle of 30° with the +y axis. What is the direction of the magnetic force on the electron when it enters the field?

A) up, out of the page
B) at an angle of 30° below the positive x axis
C) at an angle of 30° above the positive x axis
D) at an angle of 60° below the positive x axis
E) at an angle of 60° above the positive x axis