Caleb knew that his fellow union members opposed a plan to cut overtime at the plant, but he wanted them to view it more positively. He planned to discuss the likelihood that the plant would close altogether if payroll costs were not reduced. His purpose was to .

To share new information

Explanation:

It is important to have new information and updates to make a decision.  In the above case, Caleb is sharing new information with the union by revealing that, if they don't do what the company has planned for them, then the plant may close altogether. So, Caleb is sharing new information with the union so that they decide by considering the consequences.

i think the answer would be b hope this