Cost of living in port morsby

I got an offer to work in Port Moresby
Housing, electricity, Internet, TV, automobiles, gasoline, etc. etc. at the expense of the Company including the woman who cleans the house.
Apart salary I receive a budget for food, cigarettes, etc.
What do you think the minimum budget should be
Including at least once a week, some beer in a pub, etc.

thenks
H.s