Dark jokes if you are that type of person that gets offended easily don't read it.
What did the cop do to the broken light bulb?
He arrested it for being broke but beat the darkness for being black.

I-

I shouldn't laugh but...

Explanation:

an expansion is one of two basic business cycle phases; the other is contraction. the transition from expansion to contraction is a peak, and the changeover from contraction to expansion is a trough.

the answer to fill in the blank in this question would be the word resource, it is defined as the money, material or people (since human resource is a very valuable good) that a company or a person has at disposition (meaning they can use the resource as they see fit), to be able to complete a task or achieve a goal.