a decision to make

oh no.. i got the biggest decision to make this time round... actually i got intersem in second sem but i got a job in hand... What should i do? to take up the work and self study or to go study and dun work.. But this work.. my friend make so much effort to get it for me de.. coz that time i keep pestering them for a job, now got the job le.. how how how?? What should i do??