Which methed can government use to ensure that the introduction of load shedding is the best decision

The right answer for the question that is being asked and shown above is that: "The method that the government can use to ensure that the introduction of load shedding is the best decision are: (1) government should inform people about the times of load shedding; (2) government should tell people to use less electricity; (3) people shouldn't waste light; (4) people shouldn't have to pay lot of money for lights