Which of the following is true of follow-up? a. it increases cognitive dissonance in customers. b. it is typically done only once after a sale. c. electronic approaches to follow-up dramatically lower the cost of marketing efforts. d. it refers to business owners doing what they said they would do.

(C) Electronic approaches to follow-up dramatically lower the cost of marketing efforts

Explanation:

In sales and marketing, follow-up refers to continuously building future client or customer relationships in order to make a sale. This also means contacting the possible client or customer through various avenues of contact to establish a better relationship which might translate into future sales. These days, online marketing tools such as newsletter emails, make follow up much easier than offline marketing efforts, such as through phone calls.

answer the law of increasing costs;