One quarter sector is cut from a uniform circular disc of radius `R`. This sector has mass `M`. It is made to rotate about a line perpendicular to its plane and passing through the centre of the original disc. It moment of inertia about the axis of rotation is.
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Options

A. `(1)/(2)MR^(2)`
B. `(1)/(4)MR^(2)`
C. `(1)/(8)MR^(2)`
D. `sqrt(2)MR^(2)`