Hitachi, Ltd.

Yoshihito Doi

Yusuke Yajima

Shigeyasu Kubo

Kazuhiro Matsuya

Kenichirou Kawakami

Megumi Sakai

As a plurality of resource types relating to production, there are two or more resource types including Money from among resource types of Man, Machine, Material, and Money. Execution past record information indicates, for each of one or more resource types other than Money and for each resource belonging to the resource type, a step performed on the resource and an execution time block of the step. Expense information indicates, for at least one of the above-mentioned one or more resource types and for each resource belonging to the resource type, an expense relating to the resource. The system displays a cost chart based on the result of the cost calculation process. The cost chart shows costs in management unit same as or different from those of the steps, and has a time axis and a management unit axis (axis perpendicular to the time axis).

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Tokyo, Japan

Yoshihito Doi