How much is a 50,000-day renovation loan from Shanghai Bank worth?
The renovation loan of Shanghai Bank costs 50,000 yuan a day, that is, 25 yuan, that is, 50,000× 0.0005 = daily loan interest of 25 yuan. Then, the longer you borrow, the number of days you borrow × the daily loan amount 25 yuan, which is equal to the repayment amount.