Final answer:
The conclusion follows because the workers who had not used bribes earned more money than those who did.
Step-by-step explanation:
The conclusion follows.
Given that 15 percent of the workers in the recycling company brought in three or more new clients last year, and among workers who used bribes, 25 percent brought in three or more new clients, it can be concluded that the workers who had not used bribes earned more money than those who did. This is because the workers who used bribes not only had to spend money on bribes but also lost money in bringing in clients. Therefore, the conclusion follows.