A package holiday company is about to block book hotel rooms for the coming season. The number of holidays actually booked is equally likely to be anywhere between $0$ and $200.$ Each room booked costs the company $250$ and they can sell them for $350.$ If unsold rooms can be sold as last$-$minute books for $100,$ complete the following sentence:

For the coming season, the company is recommended to book the following number of rooms: