Server apparatus

A server apparatus comprising:

• one or more processors;
• and
• a storage medium storing a program configured to be executed by the one or more processors, wherein
• the program comprises one or more instructions, and
• the one or more instructions cause the one or more processors to execute:
• instructing a provider vehicle of a provider who provides a user with a charger installed in a parking space designated for use by the provider to move to a predetermined waiting area in accordance with an exit of an occupant from the provider vehicle when the provider vehicle is to return to the parking space and the parking space is occupied by a user vehicle of the user, the provider vehicle being an automatically drivable vehicle;
• transmitting a provider return notification to a terminal used by the user when the provider vehicle is to return to the parking space occupied by the user vehicle;
• instructing the provider vehicle to move from the waiting area to the parking space in accordance with a detection of an exit of the user vehicle from the parking space;
• transmitting a return notification to a terminal used by the provider in response to a return of the provider vehicle to the parking space;
• and
• increasing or decreasing a fee to be paid by the user and/or a profit to be provided to the provider in accordance with a relationship between a date and time of the return of the provider vehicle and a scheduled charging end date and time and in accordance with whether the user vehicle has exited the parking space.