Multi-choice problem: Choose from the options at the end, and answer how do you do this: To heat up wax to prepare it for candle making

Options are:
(1). use a double boiler to prepare wax for candle making. It should reach a temperature of 180190 degrees.;
(2). use an oven broiler to prepare wax for candle making. It should reach a temperature of 350400 degrees.;
(1).