1) Probably 2$ for erc20 fee.
2) 3000$ at the time of the loan (but larger at the time of repayment/default)
3) 90-95% fully repaid (approximate)
4) 85% on time and 15% extension
5) Can't Remember as I have no fixed interest.
6) 70000 Doge which was a lot at the time of default.
7) 5 to 10% unpaid and 90 to 95% paid

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I think question number 3 and question number 7 are the same.