1. Total Expenses = 19000 QR (5200 USD) as below:
1.1. Renting Nice F/F 1 Bed Room flat = 6500 QR including electricity and Water
1.2. Renting nice Car : 2500 QR
1.3. Food Expenses up to: 4000QR
1.4. Other Expenses : 2000 QR
1.5. Saving for holidays : 4000 QR
2. You can Save = 11000 QR (3000 USD)

Hoe this help
Good Stay in Doha
Abu