2. A two-echelon distribution network [one central distribution center (X) and two stores A and B)] has 120 units of a product at the central distribution center, and no additional receipts are expected at the central distribution center for at least a week. The on-hand inventory and the requirements (forecasts) for the three stores are given below. How many units of the product should be shipped to each store, based on a fair share allocation? Store A B Total On Hand 20 30 50 1 20 50 70 Unit Requirements per Week of the Product Period 3 2 20 40 60 30 50 80 4 25 60 85 5 30 50 80 Average Weekly Usage 25 50 75