What happens in collective bargaining?
a. workers go out on strike to gain their objectives.
b. representatives of unions and companies negotiate new labor contracts.
c. the unions usually reach all of their goals.
d. the courts decide how much companies will pay workers.

Option B, Representatives of unions and companies negotiate new labor contracts, is the right answer.

Explanation:

A process through which the representative of the labor union bargains with the group of employees on various issues such as working conditions, salaries, compensation and rights for workers, and other benefits of workers, is known as collective bargaining. The collective agreements that both these groups reach following negotiations generally fix working hours, wage scale, training, overtime, health and safety and to participate in the affairs of the company.

by using  production possibilities graph.  opportunity costs are key expenses in financial matters and are utilized as a part of registering money saving advantage investigation of a venture. such expenses, be that as it may, are not recorded in the record books but rather are perceived in basic leadership by processing the money costs and their subsequent benefit or misfortune.