The financier Derek Quinlan has said in a witness statement filed as part of his application to go bankrupt that he owes the National Asset Management Agency (Nama) a “shortfall” of €402 million. Quinlan said that this was after repaying the state bad bank €3.1 billion in personal and associated debt equating to 88.5 per cent of the total owed.  In his statement, Quinlan said he applied to go bankrupt after Edgeworth Capital, an entity linked to the British entrepreneur Robert Tchenguiz, moved to bankrupt him after it acquired a debt he owed of €120 million for just €5,000. Quinlan…