http://www.marca.com/2013/07/10/en/football/barcelona/137347 5526.html

DIS acquired the share of Neymar’s registration in 2009 for ¤2.6m. Under the existing deal, it is due ¤6.8m for their 40 per cent of the ¤17.1m received by Santos for Neymar.

An additional ¤40m was paid in commission by Barcelona to other parties, including Neymar's father