The Electric Potential at a Certain Point Is Space Is $\mu$

The electric potential at a certain point is space is 12 V. What is the electric potential energy of a -3.0 $\mu$ C charge placed at that point?

A) +4 $\mu$ J
B) -4 $\mu$ J
C) +36 $\mu$ J
D) -36 $\mu$ J
E) zero µJ