How many books can I borrow from the Chinese library card of Zhongshan Library in Guangdong Province?
Each library card is limited to two books (three in 200 yuan, four in 300 yuan and five in 500 yuan), and the borrowing period is 31 days (50 days in 200 yuan, 50 days in 300 yuan and 60 days in 500 yuan). If the deposit is overdue 1 day, the penalty for each book will be 0. 1 yuan.