Use the following information about pricing and channel margins for a product to answer the next four questions. Retail price $40.00 Retailers' margin 30% Wholesalers' margin 20% Manufacturers' margin 40% Question 27 (2 points) How much do retailers pay for one unit of the product? $12 $40 $28 $52 $20 Question 28 (2 points) How much margin do wholesalers earn on each unit of the product? $12.00 $8.00 $16.00