From the top of a 12 m high building, the angle of elevation of the top of a tower is $$60^\circ$$ and the angle of depression of the foot of the tower is $$\theta$$ , such that $$\tan\theta=\frac{3}{4}$$ What is the height of the tower $$( \sqrt3=1.73)$$ ?

A

37.95 m

B

39.68 m

C

41.41 m

D

36.22 m