What impact can business marketers have on total (consumer plus commercial) product demand? What is the correct answer?

a. Through co-op marketing program, they can boost total demand.

b. By offering discounts to other business customers, they can boost totaldemand.

c. By advertising more effectively, they can boost total demand.

d. By selling more efficiently, they can boost total demand.

e. They can do little to stimulate total demand.