Image forming apparatus, display system, greenhouse gas emission rights trading system and greenhouse gas emission rights trading method

摘要

A control unit displays on the display unit, when a device and a life cycle phase for which an acquisition equivalent and an actual equivalent are desired to be acquired are selected on a selected screen displayed on a display unit and a “SEND” icon is manipulated, the acquisition equivalent, the actual equivalent and a comparison result between them which are received from a server. When a user refers to the comparison result displayed on the display unit and manipulates a “SEND STATEMENT OF ACCOUNT” icon on a settlement screen, the control unit sends a statement of account to the server.