Which of the Following Statements Describes an Advantage to Retailers

Which of the following statements describes an advantage to retailers associated with developing their own brands?

A) Higher gross margins are available on private brands.
B) Dealers often buy in large quantities and thus always have a ready supply.
C) Private brands are normally delivered more promptly by the manufacturer.
D) Private brands,particularly those owned by discounters,are perceived to be of higher quality.