Two firms work together to prepare a complex bid for a buyer. One firm (Company A) dropped the other (Company B) before getting the bid. After working for some time on specifications, negotiating with the buyer, and being chosen as a final candidate for the job, Company A told Company B that it was disappointed with Company B's behavior and obtained the contract on its own, with minor modifications from the joint proposal submitted previously. Company B sued Company A for breach after Company A subcontracted the work to another firm. Since there was no formal subcontract, what theory of recovery can Company B allege? What types of damages, if any, may Company B claim?