27) Which trading bloc represents more than half of the world's gross domestic product? A) Trans-Pacific Partnership (TPP) C) North American Free Trade Agreement (NAFTA) D) Asia-Pacific Economic Cooperation (APEC) E) Pacific Rim (PR) 29) Based on cultural differences such as significance of colors, language differences and other nonverbal signals, what should be customized when entering an international market? A) staffing skills B) promotions C) price D) customer support