ullumber Company accumulates the following data concerning a mixed cost, using units produced as the activity level. March April May June July Units Produced Total Cost 9,880 $%20,812 19,181 10,400 21,061 8,820 18,691 9,540 19,611 9,030 (a1) Your answer is correct. Compute the variable cost per unit using the high-low method. (Round answer to 2 decimal places e.g. 2.25.) Variable cost per unit Attempts: 1 of 3 used (a2) Your answer is correct. Compute the fixed cost elements using the high-low method er to Fixed cost $5461 unit Attempts: 1 of 3 used Using the information from your answer to above part, write the cost formula. per unit produced Total cost Attempts: o of 3