Answer:
Increase persuasive power
Manage impressions
Step-by-step explanation:
Non verbal communication is a communication method of passing information across to an audience or a group of audience without a verbal language but the use of signals , gestures and general body languages.
Each of this method of non verbal communication has a peculiar meaning depending on the situation when used and how it was used.
In the case of Marsha's interview preparation , she can communicate increased persuasive power and also managed a good impression through a good look and outfit