a) Explain with examples the FOUR (4) reasons why Operations Management is studied. (12 marks) b) Mohammad Salah is the owner of Nilai Tyres Sdn Bhd, a producer of bicycle tyres. Salah makes 1,000 tyres per day with the following resources: Labour: 400 hours per day @ RM12.50 per hour Raw material: 20,000 pounds per day @ RM1 per pound Electricity: RM5,000 per day Capital costs: RM10,000 per day (i) What is the labour productivity per labour-hour for these tyres at Nilai Tyres Sdn Bhd? (3 marks) (ii) What is the multifactor productivity for these tyres at Nilai Tyres Sdn Bhd? (3 marks) (iii) What is the percent change in multifactor productivity if Salah can reduce the electricity bill by RM1,000 per day without cutting production or changing any other inputs? (7 marks)