The inside wall of a septic tank is finished with 12 mm cement plaster with 1 : 4 cement mortar. Calculate the quantity of the cement (cubic metre) required, if the size of the septic tank is 6 m $$\times$$ 4 m $$\times$$ 2 m.

A

0.096

B

0.115

C

0.147

D

0.165