Sally is an agent for Prestige Realty. She has 15 homes listed for sale. Chad is also an agent for Prestige Realty and has a buyer for one of Sally's listings. The broker appointed Sally as an exclusive agent of the seller and Chad as the exclusive agent for the buyer. This arrangement is an example of:
a) Dual agency
b) Designated agency
c) Facilitator relationship
d) Transactional brokerage