If a sign board was hanged on the side of a high tree 5' above the ground in 2002,have high should it be in 2014 if the tree grows 9'' taller each year

Question

$\begin{array}{1 1}(A)\;5'0''\\(B)\;9'4''\\(C)\;8'0''\\(D)\;14'8''\end{array} $