A uniform circular disc of radius ' R ' and mass ' M ' is rotating about an axis perpendicular to its plane and passing through its centre. A small circular part of radius R/2 is removed from the original disc as shown in the figure. Find the moment of inertia of the remaining part of the original disc about the axis as given above.

A

$$\frac{7}{32}MR^{2}$$

B

$$\frac{9}{32}MR^{2}$$

C

$$\frac{17}{32}MR^{2}$$

D

$$\frac{13}{32}MR^{2}$$