All of the below are things you should do to avoid blunders in international marketing EXCEPT which one?

a$.$ Be overconfident about the potential of your products or services.

b$.$ Avoid ethnocentrism. Be sensitive to the nationalistic feelings of local consumers and governments.

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

d$.$ Pay attention to details and nuances, especially those related to cultures, values, and norms.