Write a ladder logic program needed to implementeach of the following (assume inputs A, B and C are all normally open toggle switches).A. When input A is closed, turn ON and hold ON outputs X and Y until A opens.B. When input A is closed and either input B or C is open, turn ON output Y; otherwise it should be OFF.C. when input A is closed or open, turn On output Y.D. When input A is closed, turn On output X and turn OFF output Y.

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