Given U={1,2,3,4,5}U = \{1, 2, 3, 4, 5\}U={1,2,3,4,5} and A={2,4}A = \{2, 4\}A={2,4}, what is AcA^cAc?
${1, 3, 5}
${2, 4}
${1, 2, 3, 4, 5}
${1, 5}