Machine a,operated manully costs rs2000 has a life of 2year.While an automatic machine b costs rs 3000 but has a life of 4 year.Operting cost for machine a is rs 4000 per year,while that of machine b is rs 3000 only. Which of the machines should be purchased? Consider 10% interest.
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thermocline
In the thermocline, temperature decreases rapidly from the mixed upper layer of the ocean (called the epipelagic zone) to much colder deep water in the thermocline (mesopelagic zone).
In the thermocline, temperature decreases rapidly from the mixed upper layer of the ocean (called the epipelagic zone) to much colder deep water in the thermocline (mesopelagic zone).
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