Final answer:
Marketing information encompasses knowledge of customer requirements, peers, and industries, providing a comprehensive understanding that is crucial for effective marketing strategies.
Step-by-step explanation:
Marketing information includes d) All of the above: Knowledge of Customer Requirement, Knowledge of peers, and Knowledge of industries. This information is vital for businesses to understand their market position, anticipate customer needs, evaluate the competition, and make informed decisions that drive marketing strategies. Understanding customer needs helps businesses tailor their products or services to meet those needs, studying peers or competitors provides insights into market dynamics, and knowledge of industries allows companies to stay ahead of industry trends and regulatory changes.