Usual,customary,or Reasonable Charges Include Criteria That May Be Used to Establish

Usual,customary,or reasonable charges include criteria that may be used to establish a fee schedule.A patient asks you to explain "reasonable fee." Which of the following would be a proper explanation?

A) The fee the dentist uses most often for a given dental procedure
B) Determination by a third party administrator that a particular service for a given procedure has been modified to take into consideration unusual complications
C) The fee determined by a third party administrator for actual submitted fees for specific dental services
D) Fees set by the insurance company without consideration of geographic location and demographic information