Ken, a transaction broker, worked with both the buyer and seller in the sale of a home. The sale went well, and it closed on time. Later, the seller discovered that Ken had told the buyer that the seller was willing to take a lower price than was specified on the listing agreement in order to "speed up the sale," and Ken told the buyer a specific price to offer. Which describes the situation?

Ken had poor judgment in dealing with the buyer and seller.
Ken violated the limited confidentiality required for his job.
Ken did not violate any rules or regulations.
Ken is not liable for any problems, only the broker is liable