Here are the answers to your questions: 3) Four documents used in home trade at the order stage: • Enquiry letter: Sent by the buyer to request information about goods or services, such as prices, terms, and availability. • Quotation: Sent by the seller in response to an enquiry, detailing the prices, terms of sale, and delivery conditions for specific goods. • Catalogue/Price list: Provided by the seller to show a range of products available and their corresponding prices. • Order form: Used by the buyer to formally place an order for goods or services based on the information received. 4) Four reasons why human wants are not satisfied easily: • Wants are unlimited: As soon as one want is satisfied, another emerges, creating a continuous cycle of desires. • Resources are scarce: The means to satisfy wants (like money, time, and raw materials) are limited, making it impossible to fulfill all desires. • Wants are recurrent: Many wants, such as food and shelter, need to be satisfied repeatedly over time. • Wants are competitive: Individuals often have to choose between different wants due to limited resources, meaning some wants must be forgone. That's 2 down. 3 left today — send the next one.