a$.$ Discuss the assertion that occupational health and safety $($OHS$)$ is everyone's responsibility. $(15$ marks$)$

b$.$ Psychosocial risks have been linked to workplace problems such as work$-$related stress, workplace violence and harassment. As an HR practitioner, how can you impleme an effective psychosocial risk management $($PRIMA$)$ plan for a small and medium enterprise. $(15$ marks$)$