If $$y = 1 + \sqrt{3} + \sqrt{4}$$, then the value of $$2y^{4} - 8y^{3} - 6y^{2} + 28y - 84$$ is:

A

$$40\sqrt{3}$$

B

$$80\sqrt{3}$$

C

$$20\sqrt{3}$$

D

$$6\sqrt{3}$$