Hey There!
The situation that is considered reinforcement is Receiving a "thank you" from somebody after doing something nice.
Thank You!
The best and most correct answer among the choices provided by the question is the fourth choice. It is the main purpose of an economic system <span>to help make decisions concerning what, how, and for whom things are produced. </span><span>I hope my answer has come to your help. God bless and have a nice day ahead!</span>
