A straight teeth slab milling cutter of 100 mm diameter and 10 teeth rotating at 200 rpm is used to remove a layer of 3 mm thickness from a steel bar. If the table feed is 400 mm/minute the feed per tooth in this operation will be
(a) 0.2 mm (b) 0.4 mm
(c) 0.5 mm (d) 0.6 mm