A Request for Quotation That Asks for a "Brand or Equal

A request for quotation that asks for a "brand or equal":

A) is one way internal users ensure that they will get the brand they prefer.
B) is the least risky and lowest cost approach to attaining "best value."
C) shifts responsibility for establishing equality or superiority to the bidder.
D) requires the buyer to assume the costs of developing detailed specifications.
E) shifts responsibility for establishing equality or superiority to the specifier.