A seller that makes a counteroffer to multiple offerors/potential buyers must

A seller that makes a counteroffer to multiple offerors/potential buyers must
a. Reopen “bidding” on the listing, to consider new offers.
b. Completely withdraw the property from the market until the multiple
counteroffers have expired.
c. Have the property relisted on new terms if none of the multiple
offerors/potential buyers accepts the seller’s counteroffer.
d. Clearly state to all offerors/potential buyers in the counteroffer that
the first full acceptance of the counteroffer is the only effective
acceptance, on the seller’s changed term(s).