To make ice, a freezer that is a reverse Carnot

To make ice, a freezer that is a reverse Carnot engine extracts 42 kJ as heat at – 15oC during each cycle, with coefficient of performance 5.7. The room temperature is 30.3oC. How much

(a) Energy per cycle is delivered as heat to the room and

(b) Work per cycle is required to run the freezer?

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