A lever having two precisely drilled holes one smaller than the other has to be located in a fixture using hardened and ground plugs for further machining in relation to the holes. Select the correct method of locating the lever from the given alternatives
(a) Using two hardened and ground plugs the smaller one having flats machined on each side
(b) Using two hardened and ground plugs
(c) Using one hardened and ground plug and one V – block
(d) Using two V – blocks