Gabriel Opened Up a Small Business That Prints Custom T-Shirts,mugs,and

Gabriel opened up a small business that prints custom T-shirts,mugs,and trophies.He trains his 15 employees carefully,and after two years,no employee has experienced an on-the-job injury or illness.Under the requirements of the Occupational Safety and Health Act,what must Gabriel post in the workplace?

A) OSHA Small Business Handbook
B) OSHA Certificate of Compliance
C) form 300A,Summary of Work-Related Injuries and Illnesses
D) form 310A,Certification of Injury-Free Status
E) general-duty clause