If the price of bananas goes down by 10%, find the percentage of increase that a family should effect in its consumption so as not to increase expenditure on this account? Choose the correct choice from the following answers:
A) 13(1/9)%
B) 15(1/9)%
C) 11(1/9)%
D) 12(1/9)%
E) none of these
Increase in consumption   = [(P/(100 - P)] X 100)%   = [(10/(100 - 10)] X 100)%   = 11(1/9)%   ANSWER:11(1/9)%
<result>C</result>
If the price of bananas goes down by 10%, find the percentage of increase that a family should effect in its consumption so as not to increase expenditure on this account?