2) (18%) The assembly of an end product requires 3 units of part A and 6 units of part B. Part A is produced at work center 1 and part B is produced at work center 2. The container for part A holds 30 units. The average cycle time for a container of A is 1.2 hours. The container for part B holds 60 units and the average cycle time for a container of B is 3 hours. The policy variables are set at 0.15 and 0.2 for work center 1 and work center 2, respectively. The production quota of the end product is 30 units per hour. How many containers are needed for part A? How many containers are needed for part B