Corners, faces and edges III

This task is about faces, edges and vertices of 3-dimensional shapes.
a)
 
 
i)
 
ii)
Circle one corner only on the shape above. 

Altogether, how many corners does this shape have? __________
 
b)
 
i)

ii)
Circle one face only on the shape above.

Altogether, how many faces does this shape have? __________
 
c)
 
i)

ii)
Circle one edge only on the shape above.

Altogether, how many edges does this shape have? __________