Purchase consideration for the calculation of Goodwill

Catalyst acquired the whole of the share capital of Cardiff for $15m in cash .in arriving at the purchase price catalyst had taken into account the Cardiff future reference organization cost $1m and future anticipate loss of $2m.the fair value of the net assets if Cardiff before taking into account these matters was 10 m.in accordance with ifrs 3 what is the amount of Goodwill on consideration