The R&D Fee payable in respect of each Outsourced Development shall be equal to all expenses incurred by the party performing the Outsourced Development in performing that Outsourced Development, together with an additional amount representing an arm’s length profit factor, which is currently set at 8% (eight per cent.) of the expenses incurred by the party performing the Outsourced Development. Such arm’s length profit factor will be adjusted periodically as necessary and is subject to clause 8.6 where relevant