What is the value of $$5\sqrt{3} \cos 60^{\circ} \tan 30^{\circ} - 3 \cos 0^{\circ} + 3\cos^{2} 45^{\circ} + 2 \sin^{2} 60^{\circ}$$?

A

$$2\sqrt{3}$$

B

2.5

C

3.5

D

$$3\sqrt{2}$$