please solve it within 1 and half hour !

5. (a) L ltd. that specializes in leather jackets is experiencing a substantial backlog. To deal with this problem, the firm's management is considering three courses of action: To arrange for sub-contracting (SI), To begin overtime production (S2), and To construct new facilities (83). The correct choice depends largely on the future demand, which may be low, medium or high. By consensus, management estimates the respective demand probabilities as 0.10, 0.50 and 0.40. The table given below summarizes the payoffs resulting from varlaus event- strategy combinations. Show this decision situation in the form of a decision tree and indicate the most preferred decision and its corresponding expected value. S2 S3 Demand Probability SI Low 0.1 Medium 0.5 10 -20 -150 20 50 60 9:11 PI S2 S3 Demand Probability. Si Low 0.1 Medium 0.5 High 0.4 10 50 50 -20 60 100 -150 20 200 (b) Three firms hold equal market share for a certain product. Each month customers shift from one brand to another. The transition probability matrix below depicts the probability of customers shifting from one brand to another. Find out the market share of the three brands in the long-run. Wid V. 31 IW 200 (6) Three firms hold equal market share for a certain product. Each month customers shift from one brand to another. The transition probability matrix below depicts the probability of customers shifting from one brand to another. Find out the market share of the three brands in the long-run. 10.40 0.40 0.207 P = 0.30 0.35 0.35 10.35 0.40 0.25) Alicate indov (10+10=20 Marks)