William Tackaberry was a real estate agent who spent several months helping Thomas Ryan to purchase a particular piece of property. At the beginning of the process, and during all subsequent discussions, Tackaberry informed Ryan that his commission was 10 percent of the sale price, payable at closing. Ryan refused to sign a contract spelling out the terms of the commission, several times attempted to negotiate a lower commission, and stated he was not going to pay 10 percent for the commission. Tackaberry repeated that his commission was 10 percent, due at closing. After the deal was finalized, Tackaberry sent Ryan a bill for 10 percent of the sale price. When Ryan did not pay, Tackaberry filed a lawsuit to recover the full amount. Tackaberry claimed that he and Ryan had an implied contract. The court most likely found that an implied contract: