Corio Corporation reports that at an activity level of 4,100 units, its total variable cost is $251,371 and its total fixed cost is $114,870. Required: For the activity level of 4,200 units, compute: (a) the total variable cost; (b) the total fixed cost; (c) the total cost; (d) the average variable cost per unit; (e) the average fixed cost per unit; and (f) the average total cost per unit. Assume that this activity level is within the relevant range. (Round your "Average cost" to 2 decimal places and other answers to the nearest dollar amount.) (a) Total variable cost $ 257502 (b) Total fixed cost $ 114870 (c) Total cost $ 372372 (d) Average variable cost $ per unit (e) Average fixed cost $ per unit (f) Average total cost $ per unit