Concept:Consideration is the value given by one party to another in exchange for a promise, goods, or service.Explanation:Aisha sold her wristwatch to Halima for #2,000.00.Halima paid that sum in return for the wristwatch.The amount paid is not just money; it is the legal value that turns the agreement into a binding contract.In contract law, this payment is called consideration because it is what the buyer gives in exchange for the seller’s item.Therefore, the #2,000.00 represents consideration for the sale.Answer:B. consideration