The government is considering offering one-time support payments of 30,000 yen ($194) to low-income households exempt from resident tax as part of a stimulus package for Japan’s economy, sources close to the matter said Wednesday. There is also a proposal to add 20,000 yen per child to such households with children, the sources said. The cash handouts would come as rising energy and other costs have been affecting Japanese households. Under the stimulus package, to be compiled later this month, the government is also expected to reintroduce subsidies for electricity and gas bills and extend th…