The activity in which Maria is engaged is known as marketing.
This refers to the creation of awareness for a certain good or service to prospective customers by appealing to their various senses.
Hence, we can see that based on the fact that Maria exceeded her sales goals, this can be traced to her knowledge of psychology that she learned in school where she made a good offer and in the event of being turned down, asks them to make a review for her.
Read more about marketing here:
https://brainly.com/question/25754149
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