-The three subsystems (front desk, technical personnel and manager) earn more than enough revenue to cover its monthly lease.
-One Set for Front_Desk : $00.00 / month.
-The first three Sets : $00.00 / month.
-Each additional Set : $00.00 / month.
-One set for the manager : $00.00 / month.
Cloud systems : The fees depend on the transactions, and transferred data.
Internet-based : No fees required