People with education or those who graduated in the higher level it would have been Oka-selection, so as to do more and get more people pay graduated at a lower level that the job cannot be selected independently.
People who are illiterate or who graduated in the class that they will get the chance to choose the line of work to do over and be paid wages than those who graduate at a lower level than that. can not choose freely.
An educated person or people who graduated in high grade will get the opportunity to select the line to do more and get paid more than those who graduated in the lower levels can choose freely.