You work for an attorney who is handling a commercial litigation case involving a contract for the sale of a business. As part of the sale price, the seller agreed to make herself available to the buyer for one year as a consultant on matters related to the business. As your attorney is drafting a motion, she asks you to find a precedent for the proposition that consideration in a contract case does not necessarily need to be in the form of money. Which of the following cases is most analogous to your attorney’s case?