D Question 1 2 pts Suppose that a firm makes two products, A and B. The sales mix in units for the period is 70% for A and 30 % for B. If the unit contribution margin for Als $8.41 and the unit contribution margin for is $5.21, then the weighted average unit contribution margin ist (riput your answer using two decimal places. Do not use comman or dollar signs. Don't round any intermediate calculations)