1 yuan, Longyan Industrial Bank, needs to meet the top 111 credit cards and debit cards every Thursday and Sunday during the activity. According to the relevant information, Longyan Industrial Bank 1 yuan needs to spend the Industrial Card (including debit card and credit card) in the Rosa Cake Shop designated for cooperation every Thursday to Sunday during the activity period, and enjoy the discount of 41 yuan minus 21 yuan. Each customer is limited to 1 times a day and 2 times a month, and the credit card and debit card are limited to 111 people each day, and all stores are entitled to ***112 activity days.