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8) In the productivity curve figure above, when the quantity of capital per hour of labor increases, the change in the labor productivity could be illustrated as _________ , the discovery of new technologies could be illustrated as ______ , and the combined effect of capital accumulation, discovery of new technologies, and the expansion of human capital on the labor productivity could be illustrated as A) movement from A to B; a shift from A to C; a shift from A to D B) movement from B to A; movement from A to B; a shift from A to C C) shift from A to C; movement from B to A; a shift from B to D