Number "A" is increased by 20%, then decreased by 30%, and is finally increased by 50%. Now, the number "A" is decreased by 20%, then increased by 50%, and finally increased by 10%. Find the ratio of the second result to the first result for the number A.
1
\(21\over 22\)
2
\(16\over13\)
3
\(13\over16\)
4
\(22\over 21\)