A Long Straight Wire Carrying a 4-A Current Is Placed $x$

A long straight wire carrying a 4-A current is placed along the $x$ -axis as shown in the figure. What is the direction of the magnetic field at a point $P$ due to this wire?

A) along the $- x$ -axis
B) into the plane of the page
C) out of the plane of the page
D) along the $+ x$ -axis
E) along the $+ y$ -axis