I Open a Bank in Daming

[The debtor, Zhu Yuanzhang, owes Ye's Financial 5 million taels of silver, with an annual interest rate of 500%! [The debtor, Xu Da, owes Ye's Financial 2 million taels of silver, with an annual interest rate of 400%! [The debtor, Chang Yuchun, owes Ye's Financial 100,000 taels of silver, with a daily interest rate of 700%! [The debtor, Liu Bowen, owes Ye's Financial 5,000 taels of silver, with a daily interest rate of 300%] … The whole country celebrated the founding of the Ming Dynasty. While Zhu Yuanzhang and the civil and military officials were celebrating, Ye Yun threw a thick stack of IOUs in front of them and uttered two words: "Pay back the money!" Zhu Yuanzhang: "Master Ye, you see that the Ming Dynasty has just been established, and everything is waiting to be done. Can you please slow down for a while?" Ye Yun: "You old bastard, you have owed money for ten years. If you don't pay back, I will seal up your Forbidden City..."