Sandeep works for an electronics firm. The firm has had a few product flops but Sandeep thinks that its newest product will be highly successful. Sandeep's job is to try and convince retailers to carry it. One incentive he decides to use is to undertake a large-scale advertising campaign touting the benefits of the product. Sandeep tells retailers that if they choose to carry the product, the company will mention them in their advertisements so interested consumers know where to go to find the product. Sandeep is using _____as an incentive to resellers.
a. a dealer listing
b. a dealer loader
c. a merchandise allowance
d. cooperative advertising
e. a premium