Any amounts payable to any Indemnified Parties under this Agreement shall become due and payable within the Demand Period, and shall bear interest at the Default Rate from the expiration of the Demand Period until paid in full. Wherever pursuant to this Agreement it is provided that Indemnitor pay any costs and expenses, such costs and expenses shall include legal fees and disbursements of Indemnified Parties and shall include reimbursements for the expenses of the in-house staff.