Class Exercise on Sales variances The Dubai Company manufactures two types of Products A & R. Budgeted and actual operating data for 2019 are as follows: Static Budget A R 10,000 40,000 AED40,000 100,000 Total 50,000 140,000 Actual Results R Total 8,000 42,000 50,000 40,000 150,000 190,000 Units CM Compute the sales-mix variance and the sales-quantity variance by type of product and in total. (Compute all variances in terms of contribution margins.)