Answer: According to the personal-selling process, Clark should prepare for the PRESENTATION.
Explanation: The personal selling process refers to a 7 step approach that occurs when a sales representative meets with a potential client for the purpose of transacting a sale. They include
1) prospecting
2) pre-approach
3) approach
4) presentation
5) meeting objections
6) closing the sale
7) and follow-up.
In the presentation step, a sales person is expected to, give a speech or talk in which a new product, idea, or piece of work is shown and explained. Clark is jumping to this process because, an easy rapport between himself and the prospect has established itself.