function WeeklyStaff(n){
    var rate = 0;
    var costw = 0;
    var x=n;
    switch (parseInt(n)){
        case 1:
        rate=2;
        break;
        case 2:
        rate=1.75;
        break;
        case ((x >= 3) && (x <=5)):
        rate=1.5;
        break;
    }
    costw=(rate*n*52)/12;
    return costw;
}