Answer:
Option B: to all customers on proportionately equal terms.
Step-by-step explanation:
Advertising Allowances can be termed to be monies or promotional services in the form of discounts etc paid by a supplier/manufacturer to a retailer/wholesaler to advertise their products or pay for advertising cost.
The Robinson-Patman Act clearly stipulates that the producer provide customers with equal advertising allowances. This is to reduce or avoid discrimination in price.
Criminal sanctions may arise on sales that violates this Act. If this Act injured parties may bring an action under the Act.