Overdrafter

Ten years ago, guard envoy Li Zhenyuan walked into Linjiangzhiyuan and never came back, leaving only the word "defection" and a black copper coin. Ten years later, Li Chaosheng was kneeling in the muddy water of the ghost market with his father's knife on his back - his mother's medicine money, 4,200 yuan, and 734 yuan in his pocket. The black copper coin on his chest suddenly became hot. [Credit system·Account opening completed. You can borrow it on credit today: Body Tempering Realm·Ten Years of Cultivation. Limited time: until sunrise tomorrow. What is borrowed must be paid back. The interest rate is rolling, and if it is overdue, it will fall into the realm. If it is exceeded repeatedly, it will be cleared. Li Chaosheng looked at the bill and smiled. By borrowing an hour, I can practice boxing three hundred times; by borrowing a stick of incense, I can memorize the entire road to Yuan District; by borrowing ten breaths, I can snatch back a book that was about to be burned from the hands of Yun Qi Realm. You calculate the interest and I tell the fortune. Small loans are repaid quickly, and bets are interest-free - for thirty days, from the muddy water in the ghost market to the basement of Yuan City, the account is cleared every day. But there is a "Li note" locked deep in the system. The accounting clerk in Yuan City held an abacus bead engraved with the character "" and said: As long as the account is kept, the person will still be there. My father went into the abyss that night to settle accounts. It's been ten years. Is the account correct?