Question 1 Ng Teng Fong General Hospital (NTFGH) is a hospital located in Jurong East. According to the hospital's website. the hospital's emergency department gives priority to patients with life-threatening emergencies and more serious conditions who require immediate admission. For patients with mild symptoms and common conditions, they are advised to visit the nearest GP or polyclinic to seek medical treatment. a. Evaluate the two types of variability arising in the service processes of the hospital's emergency department. Give relevant examples for each type of variability. (8 marks) b. What type of variability is introduced by the outbreak of COVID-19? What adverse mmpacts does this type of variability impose on a service process? (10 marks) c. In the OM triangle, which strategy is the best one to deal with the variability(ies) mentioned in Q1(a)? Why are the other strategies not optimal? (12 marks) Question 2 Hillview hotpot restaurant opens from Spm to 10pm daily. There are 30 tables in the restaurant. The owner intends to measure the efficiency of the restaurant's operations. He collected the following information for analysis. Time Period Number of Bills Paid 5:00pm 6:00pm 8 6:00pm 7:00pm 26 7:00pm 8:00pm 45 8:00pm 9:00pm 36 9:00pm 10:00pm 23 Question 3 Granville Inc. produces three types of IT gadgets. Products A and B are produced using Make-To-Stock (MTS) system. while product C 1s produced using Make-To-Order (MTO) system. Products A and B are sold in the Singapore market, while product C 1s exported to the European market. Production data in April 2022 are collected as follows: Product A Product B Product C Production (units 12.000 15. 0(}0 2, 000 Manpower (# of full-time workers) Machine (# of machine _ Raw Materials (S$) 450.000 230.000 80.000 Assume that each full-time worker works eight hours a day, five days a week, four weeks a month: each machine operates eight hours a day. five days a week, four weeks a month. a. Measure the single-factor productivity of manpower (unit/hour). single-factor productivity of machine (unit/hour), and single factor productivity of raw material (unit/S$) for the three products. For each type of productivity, which product has the lowest productivity? Do you think the conclusion is reasonable? Why or why not? (18 marks) b. Based on the calculations in (a), do you think the given information is sufficient for the company to reach a conclusion that the overall productivity of one product 1s greater than the overall productivity of another? Why or why not? If not, what information is still missing? (6 marks) c. Someone argues that using \"number of units of product as output in the productivity calculation is not reasonable. Do you agree with such a claim? Why or why not? Please explain. (6 marks) Question 4 An organisation using traditional computing must purchase both hardware and software to set up a networking system for its daily operations. The organisation needs to hire in-house IT personnel to run, maintain and upgrade the system. Only authorised users have access to data in the organisation's internal system. In cloud computing. all servers. applications. and networks are hosted in the cloud. An organisation can purchase data storage and IT services from the cloud computing providers. Data can be accessed, and IT services can be delivered via the internet. Discuss the effect of cloud computing, compared to traditional computing, on the sustainability of an organisation's operations. The discussion should address the positive and/or negative impact on each of the three dimensions of sustainability. You should demonstrate critical thinking in the discussion and provide a balanced view. (20 marks)