The figure given below shows the production-possibility curves of Canada (AB) and the Rest of the World (CD). The pre-trade price ratio in Canada and the Rest of the World are given by the lines P 1 and P 3 respectively. The international price ratio faced by the countries is represented by the line P 2 . I 1 and I 2 are the pre-trade and post-trade social indifference curves for both Canada and the Rest of the World respectively. As a result of specialization and trade, c otton production in the world increases by _____ bale( s ) and wheat production increases by _____ bushel(s) . a. a. 0; 3 b. b. 0; 1 c. c. 24; 19 d. d. 1 ; 0