(Reuters) – British jet and auto parts supplier Melrose Industries Plc agreed on Monday to sell its Ergotron unit to funds managed by U.S.-based the Sterling Group for $650 million. The London-listed company expects the sale of the division that manufactures ergonomic desks and office accesssories to complete by the third-quarter of this year. (Reporting by Amna Karimi in Bengaluru; Editing by Rashmi Aich)