Harry regularly shipped 100 cartons of electronic goods to keith on the 15th of every month as per the original agreement. he had been continuing this shipment routine for over a year. on the 20th day of one of the months, keith refused the goods as he did not want harry to ship those goods to him and had never accepted any such offer of goods. harry had not received any prior notification to cancel the shipment of goods. which of the following statements is true of this situation?
a. keith can sue harry based on the doctrine of promissory estoppel. b. keith's prior act of dealing and conduct with harry confirms acceptance of the offer. c. harry used duress in controlling the terms of the offer. d. keith can sue harry based on the misstatement of the facts of the offer. e. harry should have ensured only partial delivery of goods as he received no oral confirmation from keith about the shipment of goods.