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'.

Problem: a present value of a machine is $ 900 . its value depletiation rate is 25 % per annum then find the machine value before 2 years ? 
Options: a ) $ 1500 , b ) $ 1200 , c ) $ 1600 , d ) $ 1000 , e ) $ 1350
c

Problem: what is the value of â ˆ š 81 % ? 
Options: a ) 25 % , b ) 36 % , c ) 42 % , d ) 60 % , e ) 90 %
e

Problem: john makes $ 65 a week from his job . he earns a raise andnow makes $ 72 a week . what is the % increase ? 
Options: a ) 16 % , b ) 10.76 % , c ) 10.69 % , d ) 10.98 % , e ) 10 %

b