367.4010—Account 401, Operation expense.
There must be shown under this caption the total amount included in the service company operation expense accounts 500 through 589 ( §§ 367.5000 through 367.5890), 800 through 881 ( §§ 367.8000 through 367.8810) and 901 through 931 ( §§ 367.9010 through 367.9310).