A certain liquid has a melting point of `50^(@)C` and a boiling point of `150^(@)C`. A thermometer is designed with this liquid and its melting and boiling points are designated as `0^(@)L` and`100^(@)L`. The melting and boiling points of water on this scale are

Options

A. `25^@L and 75^@L`, respectively
B. `0^@L and 100^@L`, respectively
C. `20^@L and 70^@L`, respectively
D. `30^@L and 80^@L`, respectively