1, the first 30 minutes are free.
2.30 minutes to 1 hour, charge 10 yuan.
3, 1 hour to 2 hours, charge 15 yuan.
Within 4.2 hours to 2.5 hours, 20 yuan will be charged.
5.2.5 hours to 3 hours, 25 yuan will be collected.
Within 6.3 hours to 4 hours, the charge is 30 yuan.
Within 7.4 hours to 5 hours, the charge is 40 yuan.
50 yuan will be collected within 8.5 hours to 6 hours.
9. Over 6 hours, per hour 10 yuan.