3. Find the area of the veranda and total cost for cementing the floor

A verandah of width 2 \(m\) is constructed along the outside of a room of length 5 \(m\) and width 3 \(m\). Determine the area of the verandah and the cost of cementing the floor of the verandah at the rate of \(₹ \)27 per sq. m.

 

  

The area of the verandah is  $m^2$.

The total cost of cementing the floor of the verandah is \(₹\).