SECTION B Instruction: Complete ALL questions from this section. Question 1 A. 15 000 units of a product are demanded annually. Ordering cost is $85 per order and carrying cost is 25% of the unit cost which is $18. Determine: i. The economic order quantity ii. Annual ordering cost iii. Total annual cost (2 marks) (2 marks) (3 marks) B. The table below shows the salaries in thousands of dollars) of randomly selected individuals from three different government ministries. At a = 0.01 determine whether you can conclude that at least one mean salary is different. Ministry A Ministry B Ministry C 50.6 34.7 51.7 52.2 63.7 56.4 67.8 75.6 74.9 79.0 49.6 64.5 74.2 57.9 54.4 59.5 37.6 48.1 51.3 45.1 47.1 36.6 40.9 39.3 49.9 44.0 58.6 39.1 35.5 31.7 (13 marks) (Total 20 marks)