1. An image formation system comprising: at least one image formation apparatus, and at least one information processor, connected to each other, said information processor including a performance information storage unit storing, for each type of document, performance information related to performance of each said image formation apparatus to process a document, a document selection unit selecting a document of which processing by said image formation apparatus is to be requested, a detection unit detecting a type of document selected by said document selection unit, a performance information acquisition unit obtaining performance information of at least one said image formation apparatus stored in said performance information storage unit for the type of document detected by said detection unit, and a notification unit notifying of the performance information obtained by said performance information acquisition unit.