Consider the following logic function of three variables. ffa, b, c) = abic' + abc Which one of the following circuits corresponds to the implementation of f? Select one: O a a 0! 2 to 4 1 Decoder 2 b 3 EN D b b 0 2 to 4 1 Decoder 2 b 3 EN Di b 0 b 2 to 4 1 Decoder 2 EN 3 0 b Di 2 to 4 1 Decoder 2 b a EN