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Question:
Machine A costs Rs. 9000. Annual operating costs are Rs. 200 for the first year, and then increase by Rs. 2000 every year. Suppose that the machine has no resale value when replaced and that future costs are not discounted.
(a) Determine the best age at which to replace the machine.
(b) If the optimum replacement policy is followed, what will be the average yearly cost of owning and operating the machine?
Machine B costs Rs. 10000. Annual operating costs are Rs.400 for the first year and then increase by Rs. 800 every year. You have now a machine of type A which is one year old. Should you replace it with B, and if so, when?
A paper mill produces two grades of paper viz., X & Y. Because of raw material restrictions, it cannot produce more 400 tons of grade X paper & 300 tons of grade Y paper in a week.
explanation
These models are used for analyzing a system which changes over a period of time among various possible outcomes or states. The models while dealing with such systems describe tra
Customers arrive to a super market according to a Poisson process with intensity V = ½ per minute. The supermarket has two counters, that use a common queue. Counter 1 is always o
#A paper mill produces two grades of paper viz., X and Y. Because of raw material restrictions, it cannot produce more than 400 tons of grade X paper and 300 tons of grade Y paper
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