A research company develops a tomato that grows in cold weather. The company agrees to sell ten thousand seeds to a broker for $5,000. However, an error is made on the contract which misstates the price as $4,000. The research company and broker both sign the contract without noticing the error. Some weeks later, the broker discovers the error and refuses to pay more than
$4,000. In this situation, the FIRST course of action for the research company to resolve the dispute is to establish with the broker that