Answer the following questions for the poset ([[1]. [2), (4), (1, 2), (1, 4), (2, 4), (3, 4), (1, 3, 4), (2, 3, 4] }, C). Find the least upper bound of {{2}, {4} }, if it exists. (You must provide an answer before moving to the next part.) Multiple Choice O The least upper bound of [ {2}, {4}]} does not exist. O (24) O (1,2) O {2,3,4}

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