A dumpy level is set up with its eye-piece vertically over a peg . The height from the top of peg to the centre of the eye-piece is 1.540 m and the reading on peg is 0.705 m. The level is then setup over . The height of the eye-piece above peg is 1.490 m and a reading on is
2.195 m. The difference in level between and is
(A) 2.900 m
(B) 3.030 m
(C) 0.770 m
(D) 0.785 m