well,i work in Ras Lffan myself and i will try to clear all ur doubt.u said they offered u 8000USD which is equavilant to 32000 QR.u didnt mention if ur coming here on ur own or with family but anyway,to rent a flat here it would depend on the area.in general,rents start from 20000QR and go up maybe to 30000QR.So i hope this helps u abit.