If trade corresponds to the Heckscher-Ohlin theory, w hich of the following is most likely to happen in the long run after a labor-abundant country engages in free trade ? a. The rate of unemployment in the country is most likely to increase . b. The total output in the economy will decline. c. The capital to labor ratio in the export sector will increase . d. The r ental rates of capital will increase but the wage rates will decline .