In the case of perfect, or complete, occupational integration: Group of answer choices an occupation employs each group in proportion to the number of positions each group holds in the labor force and the Duncan Index is equal to 100. an occupation employs each group in proportion to the number of positions each group holds in the labor force and the Duncan Index is equal to 0. an occupation employs only one group represented in the labor force and the Duncan Index is equal to 100. an occupation employs only one group represented in the labor force and the Duncan Index is equal to 0