Determine Whether the Lines Are Parallel,perpendicular,or Neither $\frac { 1 } { 2 }$

Multiple Choice

Determine whether the lines are parallel,perpendicular,or neither. ?
L1: y = $\frac { 1 } { 2 }$ x - 4
L2: y = - $\frac { 1 } { 2 }$ x - 2
?

A) Parallel
B) Perpendicular
C) Neither