旅費交通費
Travel and transportation expenses
Travel and transportation expenses
Research expenses
Publication expenses
Total research expenses
Installation work expenses
Other miscellaneous operating expenses
Gas appliance sales expenses
Expenses for incidental businesses
Expenses for district heating and cooling services
LNG sales expenses
Expenses for other incidental businesses
Selling, general and administrative expenses
Supply and sales expenses
Non-operating expenses
Ordinary expenses
Operating expenses – electric wire leasing business
Other business operating expenses
Incidental business operating expenses
Financial expenses
Operating expenses – other businesses
Operating expenses – gas supply business