The value of $$\sin^2 60^\circ - \cos^2 45^\circ + \sec 60^\circ + \cos^2 40^\circ + \cos^2 50^\circ$$ is equal to:

A

$$\frac{9}{14}$$

B

$$\frac{13}{4}$$

C

$$\frac{11}{4}$$

D

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