The solid cylinder of length 80 cm and mass $$M$$ has a radius of 20 cm. Calculate the density of the material used if the moment of inertia of the cylinder about an axis $$CD$$ parallel to $$AB$$ as shown in figure is 2.7 kg m$$^2$$.

A

$$1.49 \times 10^2$$ kg m$$^{-3}$$

B

$$7.5 \times 10^1$$ kg m$$^{-3}$$

C

14.9 kg m$$^{-3}$$

D

$$7.5 \times 10^2$$ kg m$$^{-3}$$