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l The H-1 B visa is a visa in the United States that allows companies to hire foreign workers tempora riiy in specialty occupations. To understand why this visa exists, suppose the labor force remains constant but capital increases at a steady pace for 20 years. The result would be 0 a. a decrease in real GDP since there are not enough workers to use all the capital. Increasing the labor force would be necessaryto increase real GDP. O b. None of these 0 C an increase in real GDP at a decreasing rate due to diminishing returns on capital. Increasing the labor force would only reduce this growth rate more. an increase in real GDP but at a decreasing rate due to the diminishing returns on capital. Increasing the labor force would then be able to further increase the rate of real 0 d1 GDP growth. 0 e an increase in real GDP at an increasing rate due to constant returns on capital. Increasing the labor force would increase real GDP but at a decreasing rate