Any amount payable to the Lender under Clause 15.3 (Indemnity to the Lender) and Clause 17 (Costs and expenses) shall include the cost of utilising the Lender's management time or other resources and will be calculated on the basis of such reasonable daily or hourly rates as the Lender may notify to the Guarantor. 28. 28.1 (a) PAYMENT MECHANICS PAYMENTS TO THE LENDER On each date on which an O