Langa Mkhize, a SA resident, was born and raised in Cape Town. He has always been a keen boxer and is now regarded as a world-ranked boxer. During a trip to London he met a boxing promoter who offered him a world title fight. Langa signed a contract for the fight in France. The title bout was staged in America and Langa excelled, knocking out his opponent in the third round. Langa was paid an amount of $5 million which was deposited in a bank account in Switzerland.
REQUIRED: Advise Langa on the source of the $5 million.