What will be the acceleration due to gravity on the surface of moon if its radius is \[\frac{1}{4}\]th the radius of the earth and its mass is \[\frac{1}{80}\] th the mass of earth?

• A.  \[\frac{g}{2}\]                 
• B.         \[\frac{g}{3}\]
• C.  \[\frac{g}{7}\]                 
• D.         \[\frac{g}{5}\]