Let O(0, 0), P(3, 4), Q(6, 0) be the vertices of the triangle OPQ. The point R inside the triangle OPQ is such that the triangles OPR, PQR, OQR are of equal area. The coordinates of R are

A

$$\left(\frac{4}{3}, 3\right)$$

B

$$\left(3, \frac{2}{3}\right)$$

C

$$\left(3, \frac{4}{3}\right)$$

D

$$\left(\frac{4}{3}, \frac{2}{3}\right)$$