What Is an Advantage of Selling Private-Label Brands for a National

What is an advantage of selling private-label brands for a national retailer?

A) There is less steps and supply chain resources needed to develop private-label product.
B) The retailer saves costs as it does not need to market private-label products.
C) There is less risk involved with selling private-label brands.
D) Private-label brands have more clout than national brands.
E) Customers can't compare prices for private-label products because of their exclusivity.