Multiple Choice Select the 4-subset from {1, 2, 3, 4, 5, 6, 7, 8, 9} that is the next one in lexicographic order after {2, 4, 6, 7}. O {2, 4, 6, 9} O {2, 4, 7, 8} O {2, 5, 6, 7} O {2, 4, 6, 8}

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