In which of the choices given below, the cutting tool materials are placed in the ascending order of permissible cutting sped for machining of steel?
(a) K Group Cemented Carbide-P Group Cemented Carbid-Ceramic –Cubic Boron Nitride
(b) Cubic Boron Nitride – K Group Cemented Carbide – P Group Cemented Carbide - Ceramic
(c) P Group Cemented Carbide – K Group Cemented Carbide – Cubic Boron Nitride - Ceramic
(d) Ceramic – Cubic Boron Nitride – K Group Cemented Carbide – P Group Cemented Carbide