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1. A cooler used at home works at -20C. Kitchen temperature is 20C. If the heat loss is 125 000 Kj/day and the electric

1. A cooler used at home works at -20C. Kitchen temperature is 20C. If the heat loss is 125 000 Kj/day and the electric cost is 0,08 $/Kw.h, what is the annual operating cost of the cooler? You can take the COP value as 60% of the Carnot.

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