In this task, you need to answer the given multiple-choice question on the gain. Gain is the value by which to multiply the input. Classify your answers into 'a', 'b', 'c', 'd', and 'e'.

[Q]: Problem: in a certain parking lot , 2 % of the cars are towed for parking illegally . however 80 % of the cars which are parked illegally are not towed . what percentage of cars in the parking lot are parked illegally ?
Options: a ) 4 % , b ) 6 % , c ) 8 % , d ) 10 % , e ) 12 %
[A]: d

[Q]: Problem: the true discount on a bill due 9 months hence at 16 % per annum is rs . 150 . the amount of the bill is
Options: a ) 1200 , b ) 1764 , c ) 1400 , d ) 1354 , e ) none of these
[A]: c

[Q]: Problem: a restaurant spends one quarter of its monthly budget for rent and quarter of the rest for food and beverages . what percentage of the budget does the restaurant spend for food and beverages ?
Options: a ) 23.5 % , b ) 32.5 % , c ) 35 % , d ) 18.75 % , e ) 20 %
[A]:
d