Good businessman [topic-は] money [of-の] making way [object-を] knows.
金の儲けかた ('way of making money') — combines 儲ける (to profit) i-stem + かた (方, 'way, manner') — a productive noun-forming suffix for 'how to X': 書きかた (how to write), 使いかた (how to use). ビジネスマン is a loanword.