Digital data transmission services
データ伝送収入
JGAAP
Renewable power production facilities
新エネルギー等発電設備
Private line
専用収入
Business expenses
営業費
Facilities maintenance expenses
施設保全費
Common expenses
共通費
Amortization of capitalized research expenditures
研究費償却
Non-current assets retirement costs
固定資産除却費
Communication facility fee
通信設備使用料
Operating profit (loss) from telecommunications business
電気通信事業営業利益又は電気通信事業営業損失（△）