MIN COMFORTABLE LIVING COST (Singapore)

Dear Friends,
I am considering relocating wt a job offer in sin , much have been heard about the high cost of living here, i like to find out so as to make a wise decision on salary neg :-

what would be the min Monthly salary ( in Sin$) to live a comfortable lifestyle here eg. based on MASTERBEDROOM, CAFE MEALS, MRT+ occasional taxi.

Thank you and appreciate some good input.

best regards
NN