Which of the following identifies the reason why producers try to minimize
costs and maximize revenue?
A. Product placement
B. Government regulations
C. Market research
D. The profit motive

A type of therapeutic behavior modification program that is commonly used in institutinal settings would be something that is called token economy - d.

Token economy works in a reinforcement fashion where the person that is being "tokenized" will receive positive incentives for things that he does and for things that the people who use this type of strategy endorse.