HOURS | COLLECTORS NEEDED |
---|---|

12 a.m. to 6 a.m. | 2 |

6 a.m. to 10 a.m. | 8 |

10 a.m. to noon | 4 |

noon to 4 p.m. | 3 |

4 p.m. to 6 p.m. | 6 |

6 p.m. to 10 p.m. | 5 |

10 p.m. to 12 midnight | 3 |

Each collector works 4 hours, is off one hour, and then works another 4 hours. A collector can be started at any hour. Assume the objective is to minimize the number of collectors hired, formulate the appropriate LP.