data Avg_salary;
    set fltat;
    by jobcode;
    if jobcode = 'FLTAT1' then do;
        tots + salary;			*tots = total salary;
    end;
     else if jobcode = 'FLTAT2' then do;
        tots + salary;
    end;
    else if jobcode = 'FLTAT2' then do;
        tots + salary;
    end;
    if first.jobcode = 1 then do;
        bros = 0;
        tots = salary;
        mcgotes = 0;			*mcgotes = number of people;
    end;
    bros + 1;					*bros = flight attendents;
    mcgotes + 1;
    average = round(tots/mcgotes, .0001);		*NOTE: "tots mcgotes" just made the code;
    label   jobcode = 'Job Code'
            average = 'Running Average'
            bros = 'Number of Employees';
    if last.jobcode = 1 or mcgotes <=3;
    keep jobcode bros average;
    format average dollar10.2;
run;