Lexie told Kylie that she would sell her bike to her for $10. Kylie accepted but said only if Lexie included a bike helmet. What is the status of their discussions? Group of answer choices There is no contract, because the parties have not established a time for delivery. There is a valid contract for sale the bike, but not the helmet. There is no contract, Kylie has made a counteroffer. There is no contract, because Lexie has revoked the offer