A man standing at a point P is watching the top of a tower, which makes an angle of elevation of 30° with the man’s eye. The man walks some distance towards the tower to watch its top and the angle of the elevation becomes 60°. What is the distance between the base of the tower and the point P?

1. A Option A: 43 units
2. B Option B: 8 units
3. C Option C: 12 units
4. D Option D: Data inadequate
5. E Option E: None of these

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