Which of the following statement is correct?
I. If x = 12, y = -2 and z = -10, then $$x^3 + y^3 + z^3 = 720$$
II. If x + y = 48 and 4xy = 128, thens the value of $$4x^2 + 4y^2$$ is 8960

A

Neither I nor II

B

Only I

C

Both I and II

D

Only II