Sonia was walking on the street when one lady approached her to donate for cancer patient. She gave her a rupee more than the half of money she had. She walked a few steps more when a girl approached her to donate for poor peoples' fund and she gave 2 rupees more than the half of the money he had then. After that a boy asked her to donate for blind's fund and she gave 3 rupees more than the half of the money she had then. In the end she was having 1 rupee left in his hand. How much rupees Sonia was having in the beginning?

• A. 70
• B. 42
• C. 54
• D. 126