2. The charging standard for the parking lot of Hua Kai International Center is the parking lot of World Mall (P8 or P 1 1). During the day (from 7: 30 am to 9: 30 pm), the hourly rate in 5 yuan is less than 3 hours, more than 3 hours per hour 10 yuan, and at night (from 9: 30 pm to 7: 30 am the next day) per hour 1 yuan. The highest price at night 10 yuan, and the highest price at 45 yuan for 24 hours.