8 years ago i was self employed, and earning a little wage, but ask social how much to pay, they didn,t reply , this went on,, but i paid what i thought,any way, portugal falls in to hard ship, and i get a letter to say i owe x amount,,,,,,blew me away, as they can e,mail when they want!!any way, the qeustion still stands of how much i should of paid !!because they have given nearly half the wage of what i was eaning, which is wrong, i have e,mail again this week, to ask how much i should of paid, and they come back with,,, do not understand the question, !!!i need to speak to someone who can help me on this matter as i am going round in circles, thanks readers.