The advantages of are having a greater pool of knowledge, gaining different perspectives, gaining intellectual stimulation, having a better understanding of decision rationale, and having a deeper commitment to the decision.

Group decision making

Explanation:

In group decision making, the different members of the group can share a larger pool of knowledge because two or more people tend to know more things that one (it's not always the case, but it's most often the case).

A group of people also offers diverse perspectives because each person sees the world differently.

Finally, when a group is involved in making a decision, the commitment to that decision can be deeper because more people feel responsible for it.

answerpounds of plastic to purchase 200+60-20=(240);

answer(b) revenue account which increases;