6. Find the area of the verandah and total cost for cementing the floor

A verandah of width 1$m$ is constructed along the outside of a room of length 5$m$ and width 6$m$. Determine the area of the verandah and the cost of cementing the floor of the verandah at the rate of $₹$30 per $sq$.$m$.

 

 

The total cost of cementing the floor of the verandah is $₹$