As a CEO of an automobile company developing a staffing plan that minimises the total cost, develop and analyse the chase and level strategy for aggregate planning for the next four quarters using the information below. Compare the total costs of both strategies and choose the best with an explanation. (9) a) The plant can produce 25 cars per quarter for each worker b) Worker receive USD 15000 per quarter c) It costs USD 7000 to hire and train a new worker and USD 10000 to lay off a worker d) Company has 480 workers on staff and 2000 vehicles in inventory from the beginning e) Any vehicle inventory at the end of a quarter has a holding cost of USD 1000