I think the answer to your questions is B.
The answer is 25 percent.
South Africa's official unemployment rate is 25.0 percent. While in expanded definition, the unemployment rate is 34.9 percent down to 36.1 percent which includes discouraged workers.
The significance of this quote is Montag's realization of what his job is actually about and what it implies. He became a fireman because he was meant to. However, he is now haunted by this new feeling and does not know anymore what is right and what is wrong.
I’ll charge a small price but that will be all.