A domestic refrigerator removes 1.20 kJ of heat from its freezer compartment during each operating cycle. Its coefficient of performance is 4.0. Answer the following:
(i) Calculate the mechanical work (in kJ) required per cycle.
(ii) Determine the amount of heat (in kJ) rejected to the kitchen air per cycle.
(iii) If the refrigerator completes 200 such cycles in one day, compute the electrical energy consumed per day in kWh.