The length, breadth and height of a hall are in the ratio 5 : 3 :4. If the length is doubled, breadth increased by `200%` and height decreased by `50%`, then what is the per cent change in the total surface area of the four walls of the hall?

Options

A. `35.25%` increase
B. `24.5%`increase
C. `18.75%` increase
D. `12.25%` increase

Answer

C