At an activity level of 8,800 units, Pember Corporation's total variable cost is $146,520 and its total fixed cost is $219,296. For the activity level of 8,900 units, compute the following values. Required: A.The total variable cost B.The total cost C.The average variable cost per unit D.The average fixed cost per unit E.The average total cost per unit Note:Assume that the activity level is within the relevant range