**With reference to the figure given ****a alongside****, a metal container in the form of a cylinder is surmounted by a hemisphere of the same radius. The internal height of the cylinder is 7 m and the internal radius 3.5 m. Calculate :**

**(i) The total area of the internal surface, excluding the base;**

**(ii) The internal volume of the container in m ^{3}.(Take π = 22/7)**