3.5 Where the amount of the Remuneration is not known to Talents Peak, it will charge a fee calculated in accordance with the scale of fees above on a notional level of Remuneration for the position in which the Candidate has been Engaged as it shall determine after having regard to any information supplied to Talents Peak by the Client about the position and market remuneration generally for such positions plus a further 7.5%.  Talents Peak may, in its sole discretion, subsequently grant a rebate to the Client if the latter is able to demonstrate to Talents Peak satisfaction within one calendar month of the Engagement commencing that the Candidate receives a lower level of Remuneration than was estimated.