Submit calculations to determine the blanks for each case to obtain the total points for the exercise. I recommend using the Contribution Margin Approach for each case. CASE A AB UE Below are 5 individual cases identified by letters from A @ E. Fill in the blanks for each case. D Sales price per unit $26 10 21 30 Variable cost per unit 6 18 20 12 Total, units sold 125,000 100,000 60,000 43,000 Total contribution margin $750,000 63,000 86,000 Total fixed costs $675,000 320,000 125,000 Operating income 14,000 6,000