Given that the Number of Grantees of a Driver's License in a small country in the month of April are ....

1,200 for professionsl
3,350 for non-professional
2,450 for students

If you want to make a study of the correlation between driving habits and number of vehicular accidents that these new drivers met after securing a license, how many of them will you study if your sample size is 600 using a "Simple Stratified Random Sampling?"