The dimensions of a room are $$10 m \times 7 m \times 5 m$$. There are 2 doors and 3 windows in the room. The dimensions of the doors are $$1 m \times 3 m$$. One window is of size $$2 m \times 1.5 m$$ and the other two windows are of size $$ 1 m \times 1.5 m$$. The cost of painting the walls at ₹ 3 per $$m^2$$ is

A

₹ 578.50

B

₹ 474

C

₹ 684

D

₹ 894