From the top of a 10 m high building, the angle of elevation of the top of a tower is 60° and the angle of depression of the foot of the tower is $$\phi$$ , such that tan $$\phi = \frac{2}{3}$$ . What is the height of the tower to nearest metres?

A

35 m

B

36 m

C

34 m

D

33 m