2. When a buyer and in North Carolina broker agreed to work together under an oral buyer agency agreement

a.The agreement must be reduced to writing no later than the time a party makes an offer to the other party

b. the broker and the buyer can way to agree on a higher compensation term until when the buyer wishes to make an offer on a property

c.the agreement must be a none executed right to represent the buyer for a minimum of 30 days

d. the broker is restricted to showing the buyer any property listed by other brokerage companies until the agreement is reduced in writing