Thermoelectric coolers that plug into the cigarette lighter of a car are commonly available. One such cooler

Question:

Thermoelectric coolers that plug into the cigarette lighter of a car are commonly available. One such cooler is claimed to cool a 12-oz (0.771-lbm) drink from 78 to 38oF or to heat a cup of coffee from 75 to 130oF in about 15 min in a well-insulated cup holder. Assuming an average COP of 0.2 in the cooling mode, determine
(a) The average rate of heat removal from the drink.
(b) The average rate of heat supply to the coffee.
(c) The electric power drawn from the battery of the car, all in W.