How much should I charge for IT services

I run IT for a small-ish law firm. They're my only client. We have a FreePBX VOIP server I built and maintain for them that handles about 40 extensions, only about 20 of which are live at any given time (onsite and offsite users, many offsite users unplug their offsite extensions when they're in the office or at the end of the workday). We use POTS lines for incoming and VOIP for outgoing calls. For our data side, we have fiber to a PfSense Firewall I setup, which feeds the phone side through an

• How much should I charge for IT services
  r/sysadmin

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