“The Tenant shall pay to the Landlord a Service Charge… in accordance with the provisions of this Schedule 6…, the purpose of which is to enable the Landlord to recover from the Tenant the Tenant’s due proportion of all expenditure overheads and liabilities which the Landlord or the Company or any Superior Landlord may incur in and in connection with providing and/or supplying the Services and/or complying with their respective obligations in the Superior Lease, this Lease and/or under any legal obligation binding on any of the Superior Landlord, the Landlord and/or the Company with the intention that the Superior Landlord, the Landlord and/or the Company should be able to recover all of the Service Costs incurred.”
“The Landlord…may in its…discretion … (a) adopt such other method of calculation of the proportion of the expenditure to be attributed to the Premises as is fair and reasonable in the circumstances.”