Mrs. Green, the top marketing officer at De Walt Hand Tools Co. said "Our pricing policy recognizes the importance of our retailers in marketing our brand. We rely highly on their participation in promotion efforts to our consumers through frequent flyers they distribute, displaying our brands in high traffic density areas in the retail outlets, providing accurate information about the relative advantages of our products, preparing special displays for our brand during occasions such as Christmas, Black Friday, Fathers Day, etc. For their participation in the promotion of our brand we offer discounts on the products that they in turn market to consumers. This form of discount is ___________________

a.Segmented pricing

b.Dynamic pricing

c.Product line pricing

d.Promotional allowance

e.Reference pricing