Keisha has been asked to give a presentation about a new method for processing customer returns. the first thing she should do is

The first thing should Keisha does is determine the purpose of the presentation.

Explanation:

If we are giving any presentation then firstly we should determine the purpose of our presentation.

There are typical reasons for giving any presentation such as:

By clearly defining the purpose you need to capture the attention of your audience and maintain their interest thoroughly across the oral presentation. Three key elements in any oral presentation process include: