PER-USER PAYMENT AMOUNT PRESENTATION SYSTEM

摘要

PROBLEM TO BE SOLVED: To present a per-user payment amount without imparting feelings of unfairness among users even when a plurality of users join.

SOLUTION: The system includes: a user ID obtaining means 27 obtaining a user ID for identifying a user of an optional Karaoke machine 10; a booking management means 29 attaching the user ID of a music piece selector to a music piece ID of a selected music piece and managing it as a booking queue; a per-user performance time counting means 30 counting performance time by user based on the user ID of the music piece selector attached to the music piece when the music piece managed in the booking queue is played; a per-user payment amount calculating means 31 prorating a total payment amount corresponding to the utilization time based on a per-user performance time counting value and calculating a per-user payment amount; and a per-user payment amount outputting means 32 outputting the per-user payment amount so as to be presented to the user.

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