An Object of Mass M Moving with a Certain Speed

An object of mass m moving with a certain speed has a kinetic energy of 0.0124 J. The object collides with a horizontal spring and compresses it by 0.800 m before it is brought to rest. What is the spring constant of this spring?

A) 0.315 N/m
B) 0.150 N/m
C) 0.194 N/m
D) 0.0235 N/m
E) 0.0388 N/m