| 摘要 |
An image processing unit includes a first memory unit configured to store a first setup value which is set for each of groups including a user and indicates an upper limit of a usage amount, within which the user included in each group can use a function; a second memory unit configured to store a second setup value which is set for each user and indicates the usage amount enabling each user to use the function in addition to the first setup value; a third memory unit configured to store a current value which indicates the usage amount of the function used by each user; and a determination unit configured to determine whether the current value exceeds a predetermined first threshold determined using the first setup value set for the group and the second setup value set for each user. |
