The annual gas consumption of the second household is 3 10-520 cubic meters, and the annual gas consumption of the third household is more than 520 cubic meters. On the basis of gas classification, gas prices are classified. The gas price of each gear should be gradually increased.
The first gas price will be increased by 0.5 yuan per cubic meter, that is, it will be adjusted from the current 2.5 yuan to 3 yuan per cubic meter. The second gas price is 1. 1 times of the first gas price, that is, 3.3 yuan per cubic meter. The third gas price is 65438+ 0.4 times of the first gas price, that is, 4.2 yuan per cubic meter.