Amazon ca refunding question

How much is possible for a legit account with ~50 orders spaced through past 4 years?

What about .com account that's few years old, no orders in past year (can do some beforehand)?

i have no idea what u are asking for here, mind explaining what u actually want?

I meant what amount can I refund on that kind of account. (50 orders on .ca over 4 years, 0 prior refunds) also on a 3 .com with no recent orders, have had some not so recently on a 3 year old account.