Answer: b.material facts such as the basis of projected earnings figures.
Step-by-step explanation:
A franchise simply means when a company allows another company to use it's brand and name in order to help the distribution of its products. The franchisee in this case pays a certain amount to the franchisor.
Bare on the above situation in the question, Oz must disclose in writing or online material facts such as the basis of projected earnings figures.