An ISJC 200 Channel section has the folllowing details width of flange 70 mm depth of channel 200 mm, thickness of flange $$t_{f}$$ =7.1mm,moment of inertia $$I_{xx} =1161.2cm^{4}$$ The distance of shear centre from the centre of the web will be

A

16.82 mm

B

18.58 mm

C

22.87 mm

D

27.87 mm