This excerpt taken from the WEN 8-K filed Dec 27, 2007.
Matters Applicable to all Requests for Compensation.
(a) The Administrative Holder or any Purchaser or any Holder claiming compensation under this Article III shall deliver to the Issuer a certificate setting forth the additional amount or amounts to be paid to it hereunder and accompanied by a reasonably detailed invoice therefor and supporting calculations, which certificate shall be conclusive in the absence of manifest error. In determining such
amount the Administrative Holder or such Purchaser or Holder may use any reasonable averaging and attribution methods.