1. From the choice of the simple moving average, weighted moving average, exponential smoothing, and regression analysis, which forecasting technique would you consider the most accurate? Why? (10 marks) 2. A manufacturer of baby dolls makes two types of dolls. One is sold under the brand name "Molina" and the other under the name "Suzie". These two dolls are processed in 2 machines- A and B. The processing time for each Molina is 2 hrs and 6hrs on machines A and B respectively and that for each Suzie is 5hrs and 5 hrs on respective machines. There is 16 hours of available time per week on machine A and 30 hrs on machine B. The profit contribution from Molina is Rs 6 and that from Suzie is Rs 18. Formulate and solve this problem as an integer LP to determine the weekly optimal production schedule. (10 marks) Walmart designs its networks so a distribution center supports several large retail stores. Explain how the company can use such a network to reduce transportation costs while replenishing inventories frequently. (10 points) A company that operates for 50 weeks in a year is concerned about its stocks of copper cable. This costs RS 240 a meter and there is a demand for 8000 meters a week. Each replenishment costs Rs 1050 for administration and Rs 1650 for delivery, while holding costs are estimated at 25% of the value held a year. Assuming no shortages are allowed, a) What is the optimal lot size for the company? ( 3 marks) b) Also calculate total inventory cost ( 3 marks) c) Assuming a safety stock of 2000 meters, find the inventory turnover. (4 marks)