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A Liberation Serif - 12 -A- A A A abe XX? A A IN A . CN Section B (Total 60% Answer ALL 3 questions in your Answer File. Question 1 (Total 20 marks) Ms. Juice, an excellent fresh fruit juice producer, operates her business in an excellent location in Hong Kong. Currently, Ms. Juice makes 2000 cups of fresh fruit juice per month with a staff productivity of 5 cups of juice per staff-hour. Each full-time staff works 200 hours per month with monthly salary of $10,000. (a) How many full-time staff are currently employed by Ms. Juice? (1 mark) Answer Here: 6) Since the demand is growing, she is considering two different options to increase 40% her production. Her first option is to redesign the operation process so that more fresh fruit juice can be produced at one time. The new operation process only requires additional staffs without any other changes. How many more full-time staffs, who are as productive as the current ones, are needed to achieve the new output level? (2 marks) Answer Here: (c) Her second option is to replace all the existing blender(s) by new one(s) which take(s) less time to make fruit juice. This option only requires an additional monthly cost of $8,000 without any other changes. Taking all inputs into consideration, (1) find the productivity, in cups of fresh unit juice per dollar, for the current situation Round your answer to 4 decimal places. (2 marks) (C) Her second option is to replace all the existing blender(s) by new one(s) which take(s) less time to make fruit juice. This option only requires an additional monthly cost of $8,000 without any other changes. Taking all inputs into consideration, () find the productivity, in cups of fresh unit juice per dollar, for the current situation Round your answer to 4 decimal places. (2 marks) Answer Here: (ii) find the productivity, in cups of fresh fruit juice per dollar, for the first option. Round your answer to 4 decimal places. (2 marks) Answer Here: I (iii) find the productivity, in cups of fresh fruit juice per dollar, for the second option. Round your answer to 4 decimal places. (2 marks) Answer Here: (iv) Which option is better? Why? Answer Here: (1 mark) v (v) What is the maximum monthly costs of the new blender(s) that would make the productivity of the two options equal? (1 mark) Answer Here: (d) Ms. Juice also needs your help to calculate the missing data and productivity percentage change (correct to 1 decimal place) for each category of her other investment as shown in the table below, (al) to (a6). Some answers have been shown for your reference. Yr 2019/20 Yr 2020/212 Unit Monthly Monthly Productivity Unit Cost or Cost Cost Change % Producede 5,000,000 5,000,000 Rate 2019/202 2020/212 [state + or -14 Labour 900,0004 810,000 40 (hours 3,000,000 (al) (12) Capital Invested (S) 100,000,000 110,000,0004 0.9% (23) 990,000 (a4) Materials (Ton 2,400 2,280 184 3,600,000 (a5 (26) la e Please make sure you are having all figures compared to the same unit of measure. (9 marks) Answer Here: (al) = (42) = + (a3) = + (a4) = (25) = (26) (TOTAL 20 MARKS) Question 2 (Total 20 marks) Since sustainability is a growing global concern, electrical vehicle (EV) is an emerging trend for car industry. (a) Identify the stage of EV's life cycle and the characteristics of the stage. (3 marks) Answer Here: () Identify the process strategy for EV and the characteristics of the process. (3 marks) Answer Here: (e) Suppose you are an EV designer, prepare a QFD House of Quality showing the key components, including examples of customers' wants, and explains the functions of QFD House of Quality (6 marks) Answer Here: (d) Suppose you are the director of an EV manufacturer, identify and explain a reasonable marketing or/and operational strategies for your company. (8 marks) Answer Here: (TOTAL 20 MARKS) tit Question 3 (Total 20 marks) A medical technology company produces robotic arms for surgical operations. Its production process involves 6 sequential steps (ONE to SIX) using three different machines (X, Y and Z) as shown in the following table. Production Steps Machines ONE TWO THREE FOUR FIVE SIX Unit Load (or Processing time in days) 22 3e 42 3e Ya Ye ze xe Be X The company operates 300 days per year with average flow rate (i.e. throughput) of 30 completed robotic arms per year and flow-time efficiency of 95%. Utilizations for machines X and Z are 100% and 60%, respectively. (a) What is the value of A (i.e. the unit load for step Four)? (3 marks) Answer Here: (6) What is the value of B (i.e. the unit load for step SIX)? Answer Here: (3 marks) (c) What is the utilization of machine Y? Answer Here: (3 marks) The company operates 300 days per year with average flow rate (i.e. throughput) of 30 completed mbotic arms per year and flow-time efficiency of 95%. Utilizations for machines X and Z are 100% and 60%, respectively. (a) What is the value of A (i.e. the unit load for step Four)? (3 marks) Answer Here: (b) What is the value of B (i.e. the unit load for step SIX)? Answer Here: (3 marks) (c) What is the utilization of machine Y? Answer Here: (3 marks) I (d) What is the bottleneck in this case? Answer Here: (3 marks) (e) What is the average flow time for the process? Answer Here: (3 marks) (g) What should the company do to improve its business? Answer Here: (5 marks) (TOTAL 20 MARKS) End of Section B