A Heat Engine Operates Between a Hot Reservoir at 1500

A heat engine operates between a hot reservoir at 1500 K and a cold reservoir at 500 K.During each cycle,1.0 × 10⁵ J of heat is removed from the hot reservoir and 5.0 × 10⁴ J of work is performed.
-What is the actual efficiency of this engine?

A) 0.15
B) 0.34
C) 0.50
D) 0.67
E) 0.81