| 摘要 |
A management apparatus and a billing method which calculates a billing charge by using a cumulative output amount for a target billing period. In the management apparatus and billing method a billing charge is calculated by using a cumulative output amount for a target billing period, a cumulative output amount quota having the cumulative output amount for the target billing period, and a quota unit price corresponding to the cumulative output amount quota of at least one image forming apparatus. |
