What is the value of the function: $\large \frac{1}{4}$$\sin^{-1}\large\frac{2\sqrt 2}{3}$$+\sin^{-1}\large\frac{1}{3}$

Question

(A) $\large \frac{\pi}{16}$ (B) $\large \frac{-\pi}{8}$ (C) $\large \frac{\pi}{8}$ (D) $\large \frac{\pi}{2}$