A season pass

    The female dormitory will be out-of-bounds for all male students, so too the male dormitory to the female students. Anybody caught breaking this rule will be fined $20 the first time. Anybody caught breaking this rule the second time will be fined $60. Being caught a third time will incur a hefty fine of $180. Are there any questions？"

    At this, a male student in the crowd inquires, "Er…… How much for a season pass？"