I searched on this forum but could not get an idea about how much folks are charging clients to build out these AI voice agents and how much they are charging clients on a monthly basis. This would be for an inbound call AI voice agent that can provide basic info, prequalify callers and book/cancel/reschedule - so very basic level stuff compared to some of the bots I've seen on here. Even a range would be great to understand. Thx!