Calulation-full &final sett

would like to know how to calculate staff salary. eg. in the month of november worked on 1st, 2nd is sunday, 3-8 on sick leave, 9th sunday, 10-15 worked, 16th sunday, 17-18 present.

so how to calculate the salary?? and salary divided by full month or actual working days???

plz advice..and revert soon

thanks