Jordan is a financial analyst working for a large investment firm. Recently, he received an offer from a competing firm that promises a significant promotion and higher salary. Before making any decisions, Jordan discusses this opportunity with his manager to seek advice. However, after realizing that the competing firm utilizes trading strategies that directly conflict with their firm's investment philosophy, Jordan decides to decline the offer without informing his manager of the specifics.
Considering CFA Institute's Standards of Professional Conduct, what should Jordan have done before declining the competing firm's offer?