Cost behavior when costs are semivariable. Data from the payrolldepartment of Domingue Company for the past two months follow: Costbehavior when costs are semi variable. Data from the payrolldepartment of Dominguez Company for the past two months follow:Number of PayrollEmployees Paid Department CostsNovember. 6000 $12000December. 9000 15000a. Sketch a line describing these costs as a function of the numberof employees paid.b. What is the apparent variable cost per employee paid?c. The line should indicate that these costs are semi variable.What is the apparent fixed cost per month of running the payrolldepartment during November and December?