Gulfstream does whatever it takes to market its business jets, including changing the model number instead of offending potential buyers with unintended meaning. It renamed its G$250$ business jet to G$280.$ While it never explained why, it was suggest that it was because $"250"$ means stupid or idiot in some parts of northern China. This is an example of what implication for action?

a$.$ Avoid the pushy salesman approach. Act like a diplomat and build relationships.

b$.$ Know the formal and informal rules of the game on marketing and supply chain management.

c$.$ In supply chain management, focus on agility, adaptability, and alignment.

d$.$ In marketing, focus on product, price, promotion, and place and do all it takes to avoid blunders.