the entrance wage is about 700 a week, its the wage most people earn on maquilas. Thats the wage for the first 2 or 4 weeks for testing the subject.
In Mexico is very expensive to lay off people, if you lay off somebody without a reason is called "Despido injustificado" and you're mandated by law to pay 3 months of wage. Also, if the subject has been on your company for a while, you have to pay about 20 days per year worked at your company.
Laying off somebody with about 20 years working for you, is paying about a year of wage as compensation. Mandated by law.