Silvia gecided to review the basics of Workers' Compensation to understand the annual rates being charged.Which of the following facts about Workers' Compensation signals the need to take a proactive approach if her goal is to reduce, or at least maintain, the company's annual contribution rate?The administration of Workers' Compensation is done provincially, and all the provincial acts are of the"collective liability" type; that is$,$ compensation is payable by employers collectively.An annual contribution rate is determined on the basis of an employer's total annual payroll figures.Employers can be charged a higher rate of contribution if there are many workers' compensation claims.