Calculate the quantity(cube m) of brick work for a room using the central line
method, if the interior dimension of the room is 5 m x 4 m and height of the room is 3.5 m. The
width of the wall is 300 mm and dimension of the door is 2 m x 1.2 m.

A

19.2

B

19.44

C

20.16

D

20.88