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'.

Input: Consider Input: Problem: alex takes a loan of $ 4,000 to buy a used truck at the rate of 6 % simple interest . calculate the annual interest to be paid for the loan amount .
Options: a ) 680 , b ) 700 , c ) 240 , d ) 620 , e ) 260

Output: c

Input: Consider Input: Problem: how many liters of water must be evaporated from 50 liters of a 8 - percent sugar solution to get a 10 - percent solution ?
Options: a ) 8 , b ) 10 , c ) 12 , d ) 14 , e ) 16

Output: b

Input: Consider Input: Problem: there is 60 % increase in an amount in 6 years at si . what will be the ci of rs . 13,000 after 3 years at the same rate ?
Options: a ) 2372 , b ) 2572 , c ) 4303 , d ) 2343 , e ) 3972
Output: c