text_combined: tenaska iv 12 00 2 01 3 01 several changes demand fees tenaska iv let know questions dec 2000 need adjust demand fee deal 529856 account volume change receipt side overpaid williams going take money back need refund tenaska iv please change demand fee 878 330 63 918 566 13 feb 2001 please change demand fee deal 384258 2 341 675 50 3 438 325 95 tenaska iv owes us remaining expenses also please change agency volume deal 514353 45 000 45 067 march 2001 please change demand fee deal 384258 2 591 791 50 2 653 694 95 attached march spreadsheet received mark case want see thanks megan