Did Amstel's bid meet the requirements of an offer? Was there an acceptance of the offer, why or why not? Suppose that the court determines that the parties did not reach an agreement. Further suppose that Amstel, in anticipating of building Durbin's studio, had purchased materials and refused other jobs so that he would have time in his schedule for Durbin's project. Under what theory discussed in the chapter might Amstel attempt to recover these costs?