The question how many to pay for light, rises every month before all users of the electric power. For receiving the answer it is necessary to know how many kilowatt-hours you have consumed from the moment of the last payment and to increase this digit by the kilowatt-hour price.
It is required to you
- - electricity consumption counter;
- - its indications at the time of the last payment;
- - kilowatt-hour price;
- - calculator
Instruction
1. The easiest and convenient way it is possible to call fixing of indications of the electric meter at the time of the next payment on paper or in the separate file on house computer.Mozhno and just to remember number of the consumed kilowatt-hours, but memory at any time can fail so it is always more reliable to write down.
2. Take the current readings from the counter and subtract from them unit recorded at the time of the previous payment. As a result you receive number of kilowatt-hours which was consumed for the interesting period. Do not forget to write down also this digit. It is useful in month at the following calculation.
3. Now increase number of the consumed kilowatt-hours by the price of one kilowatt-hour. On the calculator screen you will see the sum which has to be paid to the electricity provider. For example, in Kostroma since January 1, 2011 one kilowatt-hour of the electric power became costs 2.75 rubles. Thus, if in month 200 kilowatt-hours have burned up, it is necessary to pay 550 rubles.