In an elliptic trammel, the length of the link connecting the two sliders is 100mm. The tracing pen is placed on 150mm extension of this link. The major and minor axes of the ellipse traced by the mechanism would be
(a) 250 mm and 150 mm
(b) 250 mm and 100 mm
(c) 500mm and 300 mm
(d) 500 mm and 200 mm