Final answer:
The usual length of an initial franchise contract is typically 10 years, which allows enough time for franchisees to grow their business and see a return on their investments.
Step-by-step explanation:
The usual length of an initial franchise contract is 10 year(s). The answer to the question is option b) 10. Franchise agreements typically range from 5 to 20 years, but a 10-year term is common as it provides a sufficient amount of time for the franchisee to establish the business, recover the initial investment, and earn profits. However, the actual length can vary depending on the specific franchisor and the industry.