The accompanying tables give production possibilities data for Gamma and Sigma. All data are in tons Gamma's production possibilities Sigma's producuon possibinties On the basis of this information, Sigma should export tea to Gamma, and Gamma should export pots to Sigma. Gamma should export both tea and pots to Sigma. Gamma should export tea to Sigma, but it will not be profitable for the two nations to exchange pots. Gamma should export tea to Sigma, and Sigma should export pots to Gamma