What Is an Advantage to a National Retailer for Selling

What is an advantage to a national retailer for selling private labels?

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) Private label brands can fill assortment voids that are not being met by national brands.