Investors have different motivations for purchasing CDO securities depending on which tranche they select. There may be a mezzanine tranche rated A. It is common for the asset manager to retain a piece of the equity tranche. The first tranche of tickets was to be allocated via a lottery system. The fourth tranche was forwarded in spring 2017. The first tranche of is about 45% of the total project cost. "Diomede", was part of a third tranche ordered in March 1918. The agency's evaluation for the first tranche was cautiously optimistic about the future. However, the last tranche of 13 units arrived in Frankfurt in 2010. Eurazeo acquired a first tranche of Accor, then of B&B Hotels. In December 2006, Eurojet completed deliveries of the 363 EJ200s for the Tranche 1 Eurofighters. Most were established during the 1990s and a further tranche were created in 2009. The "Tranche 3B" order did not go ahead.