Question 1. (10 marks) Name and briefly explain the roles of any five (5) service departments that provide services to the operations department. Question 2 (10 marks) The supply chain has various challenges. What are the five common supply chain challenges? Using your own words briefly explain each challenge. (10 marks) Question 3. ( 10 Marks) a) Manufacturability and value analysis are two (2) inseparable concepts aimed at enhancing the design and specifications to which goods and services are produced. Briefly explain Manufacturability and value analysis using your own words. ( 4 marks) b) Explain in your own words each concept (6 marks) a) What is the purpose of using an averaging technique when forecasting? ( 2 marks) b) Name and explain the 3 averaging techniques clearly showing the difference amongst them. (9 marks) c) Actual demand sales of trailers for Hoabes Holdings for the first five (5) months of 2022/2023 financial year were as follows: From the information above i) Calculate the average monthly sales for that period (2 marks) ii) Using the first five months moving? average, forecast March 2023, April 2023 and May 2023 sales if the average increases by 15% in March, 10\% in April and 15% in May (3 marks) iii) Calculate the forecast for March using the 3 months simple moving? average. (4 marks)