In $$\triangle PQR, \angle Q = 90^\circ$$. If $$\tan R = \frac{1}{3}$$, then what is the value of $$\frac{\sec P(\cos R + \sin P)}{\cosec R(\sin R - \cosec P)}$$?

A

$$\frac{18}{7}$$

B

$$-\frac{18}{7}$$

C

$$-\frac{2}{7}$$

D

$$\frac{2}{7}$$