In the following questions, a statement of

 assertion (Statement-1) is followed by a statement of 

reason (Statement-2). Mark the correct choice as :

Statement-1 : The foot of perpendicular drawn

 from the point $A(1,2,8)$ on the $xy$-plane is $(1,2,0)$.

Statement-2 : Equation of $xy$-plane is $z=0$

1. If both Statement-1 and Statement-2 are true

 and Statement-2 is the correct explanation of

  Statement-1.

1. If both Statement-1 and Statement-2 are true

      but Statement-2 is not the correct explanation of

       Statement-1.

If Statement-1 is true but Statement-2 is false.

If Statement-1I is true but Statement-2 is true.