Salespeople ensure that delivery schedules are met, that the good or service performs as promised, and that buyers are trained in the use of the product. all of these functions are part of the final step in the selling process.

D. Follow-up

Explanation:

First, the Multiple Options for the Question

a. preapproach

b. needs assessment

c. lead qualification

d. follow-up

The Sales Process

The Preapproach- Salespeople carry out information gathering activities in this stage to learn about their clients. This information gathered assists in tailoring suitable presentations that will appeal to the client and help make sales

The Needs Assessment- During this stage the salesperson employs a wide range of questions to understand the needs of the prospective clients. This is done to clarify and understand the buyer's need in order to suggest products that will meet this needs

The Lead Qualification- At this stage, the salesperson must group his potential clients into prospects (people who can become customers) or leads ( a person is is still a potential prospect and more work needs to be done). This helps to ensure those to move on to the next stage with or conduct more thorough needs assessment on.

Follow-up- It becomes obvious therefore, that issues such as ensuring that delivery schedules are met, goods or services performs as promised are part of this final stage after a prospect has been identified and the sales person has successfully made a sale.

answer(b) revenue account which increases;