図書費
Book expenses
Book expenses
Gross profit (loss) – net
Print expenses
Book and printing expenses
Research study expenses
Travel, transportation and communication expenses
Travel and communication expenses
Travel and transportation expenses
Communication and transportation expenses
Trading related expenses
Real estate related expenses
Miscellaneous expenses
Donations
Meeting expenses
Experimentation and research expenses
Membership fee
Development and research expenses
Sundry expenses
Technical research expenses
Research expenses
Repair and maintenance expenses