This is the 12555th most frequent Russian word.
коммерческое
"Commercial."
In this sentence, 'коммерческое' acts as an adjective describing the offer (предложение) as related to commerce, business, or trade.
Коммерческое предложение было очень выгодным.
The commercial offer was very attractive.
Here, 'коммерческом' (a form of 'коммерческое') characterizes the type of bank (банк) as profit-oriented or business-related.
Он работает в коммерческом банке.
He works at a commercial bank.
In this example, 'коммерческими' describes the motives (мотивами) as profit-driven or tied to the commercial aspect of cinema.