In a competitive environment the first best strategy for a Country involved in trade is to?

• A. Neither subsidizr but tax capital and to grant concession on environmental problems.
• B. Subsidize, but no tax capital and no concession on environmental protectin.
• C. Neither subsidize nor tax capital and to grant no concession on enviornmental protection.
• D. Subdizise , but tax capital and grant concession on environmental protection.