The height of a guava tree is 2.14 m. A coconut tree is thrice as tall as the guava tree. A banana tree is \[\frac{1}{4}m\] shorter than the coconut tree. What is the difference between the heights of the banana and guava trees?

• A.                  6.42 m                                 
• B.         6.17 m                 
• C.                  4.03 m             
• D.                  0.25 m