A certain brand of freezer is advertised to use 580 kWh of energy per year.

A. Assuming the freezer operates for 4 hours each day, how much power does it require while operating? Express your answer (in W) using two significant figures.

B. If the freezer keeps its interior at a temperature of -4.0 degrees Celsius in a 20.0 degrees Celsius  room, what is its theoretical maximum performance coefficient?

C. What is the theoretical maximum amount of ice (in kg) this freezer could make in an hour, starting with water at 20.0 degrees Celsius?