Dolphin Co acquired an 80% share of Whale Co on 1 April 20X1 for $5m. The fair value of the net assets of Whale Co on that date were $3m. The non controlling interest was valued at $0.8m, its fair value. Calculate goodwill based on the full goodwill method under IFRS 3.

$2.6m

$2.8m

$2.0m

$2.4m