What is a correct statement about the difference between multi$-$domestic strategy and transnational strategy?

Transnational strategy leverages organizational learning to diffuse knowledge across units

Multi$-$domestic strategy has centralized upstream functions like R&D and decentralized downstream functions like marketing

Multi$-$domestic strategy is more likely to attain economies of scale than transnational strategy

Transnational strategy is the only strategy that can adapt to changing local opportunities and preferences