A medium carbon steel workpiece is turned on a lathe at 50 m/mm cutting speed, 0 8 mm/rev feed and 1 5 mm depth of cut. What is the rate of metal removal?
(a) 1000 mm3/min
(b) 60,000 mm3/min
(c) 20,000 mm3/min
(d) Can not be calculated with the given data