Classification units are based upon: a$)$ The number of employees performing hazardous occupations b$)$ The employer$$s safety record c$)$ The industrial activities being performed d$)$ None of the above $23$ An effective return$-$to$-$work program will reduce Worker$$s Compensation costs by benefitting the employers: a$)$ Experience Rating b$)$ Classification Group c$)$ Assessable Payroll d$)$ Productivity $24$ The primary role of WorkSafeBC prevention officers is to: a$)$ Perform inspections and create inspection reports and orders. b$)$ Support employers towards achieving a safe workplace that is compliant with applicable regulations. c$)$ Create policies and publications in order to market regulatory information. d$)$ Review and interpret the regulatory framework.