A woman buys two articles for Rs.1980 each and he gains 10% on the first and loses 10% on the next. Find his total gain or loss percent?  Choose the correct choice from the following choices:
A) 10%
B) 1%
C) -1%
D) -10%
E) 11%
1%
<result>B</result>
A woman buys two articles for Rs.1980 each and he gains 10% on the first and loses 10% on the next. Find his total gain or loss percent?