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: a distributor sells a product through an on - line store , which take a commission of 20 % of the price set by the distributor . the distributor obtains the product from a producer at the price of $ 15 per item . what is the price that the buyer observers on - line if the distributor wants to maintain a 35 % profit on the cost of the item ? 
Options: a ) 18 , b ) 21.6 , c ) 22 , d ) 22.5 , e ) 27.7
[A]: e


[Q]: Problem: the sale price sarees listed for rs . 600 after successive discount is 20 % and 5 % is ? 
Options: a ) 227 , b ) 358 , c ) 456 , d ) 787 , e ) 191
[A]: c


[Q]: Problem: john and ingrid pay 30 % and 40 % tax annually , respectively . if john makes $ 56000 and ingrid makes $ 72000 , what is their combined tax rate ? 
Options: a ) 32 % , b ) 34.4 % , c ) 35 % , d ) 35.6 % , e ) 36.4 %
[A]:
d