The medical expenses are a bit high if you ask me, how much Tylenol do you intake? :) If you are employed there is no additional cost to you for medical/insurance. So add 56 to MISC :)

Also average salary for Sofia is higher than the country so add 50-100lv.

Usually 20 something don't live alone and share an apartment so ~160 is about right.

I don't pay rent and spend more than 1000 lv a month, so it would be interesting to watch the progress on this exercise.