Housing $300, 2 BR apartment in good neighborhood,

utilities $35 (electricity+water),

food $150 (family of 3) -- supermarkets and restaurants are considerably cheaper unless you're buying fast food,

healthcare $10 to $20 for a doctor's visit, medicine is cheaper unless imported,

recreation $3 to see a movie and half price on Tuesdays,

dozen eggs $1.50,

bus $0.30-0.40 gets you to most of Lima.