After starting from her house, Sameera walked a few metres towards the East. From there. she took a right turn and walked 100 m, and then took a left turn and walked 30 m. Finally, she took a left turn again and walked 40 m to reach the market. If the air distance between her house and the market is 100 111. how far did Sameera walk towards the East initially from her house?

A

30 m

B

80 m

C

60 m

D

50 m