Commissions are negotiable a) unless representing a buyer, when the listing broker offers a co-op. b) unless the exclusive agency listing is used, because the seller can compete with the broker. c) in all cases. d) when using an exclusive listing agreement, but not an open listing.

C) in all cases

Explanation:

Everything is negotiable in a real estate transaction, including the commission, which in most parts of the country is 6 percent of the sales price, usually split between the listing agent and buyer's agent. But there's more to the story than a one-word response can tell.

it is d i just took the test