MANAGEMENT SYSTEM, PROGRAM, MANAGEMENT METHOD, AND MANAGEMENT SERVER

Provided is a consideration decision unit configured to decide, when the portable energy storage equipment transferred from one body to another body as a first transfer at a first timing is transferred from the other body or still another body which is different from the other body to the one body as a second transfer at a second timing, a consideration for the second transfer of the portable energy storage equipment at the second timing based on at least one of (i) a length of a period from the first timing to the second timing and (ii) a deterioration state of the portable energy storage equipment at the second timing.