By how much is \[\frac{1}{2}\] of \[\frac{2}{3}\] more than \[\frac{3}{4}\] of\[\frac{1}{3}\]?

• A.  \[\frac{1}{4}\]                       
• B.  \[\frac{1}{3}\]           
• C.       \[\frac{1}{12}\]         
• D.       \[\frac{7}{12}\]