Final answer:
The relationship described is known as franchising, where the franchisee is granted the rights to start a business following a franchisor's model in exchange for fees.
Step-by-step explanation:
The contractual relationship in which an established firm supplies another business with unique resources in exchange for payment and other considerations is known as franchising.
In a franchising agreement, the franchisee pays a franchise fee and ongoing royalty fees.
They receive the rights to start a business based on a model designed by the franchisor, who usually provides training, supply chain support, and help with setting up operations.