according 2 your standard of living , i'll give you an average for the monthly expenses.

- accomodation 3500 at least

- transportation only to work and comming back home 600 /person or a monthly instalment of a new car according to your choice

- utility bills 250

- home internet 230

- school fees 1000/month/kid

- average shoping 1500 at least

at least 12000 Qr / month will be the minimum salary to live in a good standard and save little amount every month about ( 3000 Qr )