Maurice Tutor

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Category > Management Posted 12 Jun 2017 My Price 12.00

Galesburg sanitation trucks dump

In Galesburg sanitation trucks dump refuse seven days a week at a single garbage sump. A barge removes the garbage from the dump and transports it to an incinerator where it is burned. The barge has a capacity of 2500 tons of garbage. It takes one week from the time it is called for the barge to arrive at the dump site. The dump site has a capacity of 2100 tons of herbage. Each time the barge is used the dump incurs a cost of 5000 regardless of the amount of garbage removed. For each ton of garbage held at the dump for a year the city incurs a cost of 50. (The cost reflects the cost of periodically disinfecting the pile and the social cost-the greater the amount of garbage the greater the annoyance of local residents) Assume that it takes essentially no time for the barge to remove the garbage from the dumped. I.e. removal is instantaneous. Suppose the supple of the garbage dump is uncertain. Suppose the expected daily demand is 50 tons per day with a standard deviation of 20 tons and that the daily demands are independent. If the dump is filled to capacity, arriving trucks are turned away. Assume that each ton of garbage cannot be unload at the dump (because it is full) costs the city $100. Suppose the city calls the barge when the pile reaches a level of 1750 tons. What is the expected annual cost to the city for the garbage that cannot be unloaded at the dump?

Hint: use the (r,Q) model

Answers

Maurice Tutor
(5)
Status NEW Posted 12 Jun 2017 06:06 PM My Price 12.00

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