Koha-clms/installer/data/mysql/atomicupdate/bug_12768-update_schema_files.sql

ALTER TABLE `itemtypes` MODIFY COLUMN `rentalcharge` DECIMAL(28,6) NULL DEFAULT NULL;
ALTER TABLE `itemtypes` ADD `defaultreplacecost` DECIMAL(28,6) NULL DEFAULT NULL AFTER `rentalcharge`;
ALTER TABLE `itemtypes` ADD `processfee` DECIMAL(28,6) NULL DEFAULT NULL AFTER `defaultreplacecost`;