Sir, Please answer all the question.

1. (a) Explain the significance of accurate demand forecasting in any supply chain. (b) For Project C, exponential smoothed forecast for the month of September was 9590 units. Trend element for September was 310 units. But actual demand turned out to be 10040 units. Determine forecast including trend for the month of October. The values of and are 0.90 and 0.40 , respectively. (c) Quarterly sales data from 2016 to 2018 are given below: Forecast sales for each quarter of 2019 using appropriate method. 2. (a) Differentiate different types of manufacturing firms. (b) Determine the economic order quantity and re-order point for the following information: Weekly demand =8400; Lead time =12 days; Ordering cost to carry out 2 orders = Tk. 30000 orders; Holding cost =3% of the purchase price per quarter; Purchase price = Tk. 700 per unit if order quantity is 0 to 10000 units; Tk. 650 if order quantity is 10001 to 15000 units; Tk. 610 if order quantity is more than 15000 units. (c) Mention the assumptions of the fixed order quantity model. Differentiate between fixed order and fixed time period inventory models. (5+5 3. (a) Define the following terms: (i) Payback Period; (ii) Internal rate of retum. (b) A manufacturing company is planning to introduce a new product in the market. The related financial data are given below: Contd P/2 Contd...Q. NO. 3(D) Facilities and Equipment cost =Tk.60cr. Working capital required =Tk.10cr. Expected profit = Tk. 6cr from year 1 to 2; Tk 10cr from year 3 to 8; Tk. 12 from year 9 to 12; Tk. 8cr from year 13 to 18 Yearly maintenance cost =Tk.2cr Repair cost at the end of 6th year =Tk.5cr Overhauling cost at the end of 12th year =Tk.20cr Salvage value of the equipment =Tk,15cr Working capital will be released at the end of 18th year. Decide whether the new product should be introduced or not if desired rate of retur is 14%. (c) How can you determine effective span of control for an organization