For machining a rectangular island represented by coordinates

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For machining a rectangular island represented by coordinates P(0,0), Q(100,0), fl( 100,50) and S(0,50) on a casting using CNC milling machine, an end mill with a diameter of 16 mm is used. The trajectory of the cutter centre to machine the island PQRS is

1. (- 8, - 8), (108, - 8), (108,58), (- 8,58), (- 8, -8)
2. (8,8), (94,8), (94,44), (8,44), (8,8)
3. (- 8,8), (94,0), (94,44), (8,44), (- 8,8)
4. (0,0), (100,0), (100,50), (50,0), (0,0)

Correct Option: A

NA