Problem: Should manufacturers be allowed to force the retailers that carry their products to sell the manufacturers' products at the prices specified by the manufacturers?
https://www.factmonster.com/ce6/bus/A0818158.html
https://www.telegraph.co.uk/news/main.jhtml?xml=/news/2001/11/21/nlevi21.xml
Consider this question from the Manufacturer, Retailer, and Buyer viewpoint