4. Under the Chennai Supply Agreement, TMFK shall, in consideration for the supply of the Supply Items (as defined in the Chennai Supply Agreement) be paid the Actual Cost (as defined in the Chennai Supply Agreement) of the Supply Items and 28% of the Gross Margin (as defined in the Chennai Supply Agreement), or such other percentage as may be agreed by OHL and TMFK from time to time. OHL agrees that, to comply with the principle that the net profits from the operation of the air catering business of the Taj group including the Chennai Restaurant should accrue to TACL, the net profits of thé Chennai Restaurant will be paid to and will accrue to the benefit of TMFK, and therefore to its holding company, TACL (the " Principle "). Therefore, OHL will pay to TMFK, for the food and other items supplied under the Chennai Supply Agreement, an amount equivalent to their cost of procurement and production by TMFK of such items plus x% of their Gross Margin (as defined in the Chennai Supply