If the price has fallen by 12% what percent of its consumption be: increased so that the expenditure may be the same as before?	Choose the correct choice from the following answers
A) 11 1/8%	B) 11 1/5%	C) 11 1/9%	D) 13 7/11%	E) 21 1/9%
100 â€“ 12 = 88   88------12   100------? =&gt; 13 7/11%   Answer: 13 7/11%
<result>D</result>
If the price has fallen by 12% what percent of its consumption be: increased so that the expenditure may be the same as before?