A Worker Pushes a Sled with a Force of 37

A worker pushes a sled with a force of 37 N over a level distance of 5.0 m.If a frictional force of 21 N acts on the wheelbarrow in a direction opposite to that of the worker,what net work is done on the wheelbarrow?

A) 290 J
B) 185 J
C) 105 J
D) 80 J
E) ​3.2 J