Which of the following statement is incorrect with reference of lathe cutting tools?
(a) The flank of the toll is the surface or surface below and adjacent to the cutting edges
(b) The nose is the corner, or chamfer joining the side cutting and the end cutting edges
(c) The heel is the part of the tool which is shaped to produce the cutting edges and face
(d) The base is that surface of the shank which bears against the support and takes tangent pressure of the cut.