The department shall consider the following needs in carrying out its powers and duties:

    (a) Library facilities shall be provided to residents of the area covered by a cooperative library without needless duplication of facilities, resources, or expertise.

    (b) Establishment of a local public library may be approved for state aid purposes where local conditions require an additional local public library.

    (c) Existing public libraries and new public libraries shall cooperate to provide adequate library services at a reasonable cost.

    (d) Increased effort shall be made to provide residents the right to read, with added emphasis on areas which normally cannot provide those services.

    (e) Local responsibility, initiative, and support for library service shall be recognized and respected when provision is made for adequate local and cooperative library service.