Three commonly used trade promotions are __________.
A) coupons, rebates, and discounts
B) cooperative advertising, merchandise allowances, and points-of-purchase displays
C) allowances and discounts, cooperative advertising, and training of distributor's salesforces
D) allowances and discounts, consumer promotions, and merchandise allowances
E) allowances and discounts, consumer promotions, and training of distributor's salesforce
