(b) The intrastate funding formula shall include all of the following:

1. (1) Assurances that all area agencies on aging shall have a fifty thousand dollar ($50,000) administrative base with the remainder of the allowable administrative dollars allocated to planning and service areas on the basis of number of persons over the age of 60 years.

2. (2)

   1. (A) When data is available, an annual update by the department for changes in population characteristics to include the number of persons per planning and service area over the age of 60 years and persons in greatest economic or social need as measured by all of the following variables which shall also be annually updated by the department:

      1. (i) The number of persons over the age of 65 years receiving aid under the State Supplementary Program for the Aged, Blind, and Disabled, provided for under Chapter 3 (commencing with Section 12000) of Part 3 of Division 9.
      2. (ii) The number of persons over the age of 75 years.
      3. (iii) The number of minority elderly over the age of 60 years.
      4. (iv) The number of persons over the age of 60 years living alone.
      5. (v) The number of non-English-speaking persons over the age of 60 years.
   2. (B) The weight given to each variable shall simulate the weighting used in the Washington State intrastate funding formula adjusting for the geographic factor.
3. (3) A rural factor that guarantees a 105 percent allocation to rural planning and service areas.
4. (4) A hold-harmless factor that guarantees that no planning and service area shall have its federal and state allocation of funds under Title III of the federal Older Americans Act (42 U.S.C. Sec. 3021, et seq.), excluding area agency on aging administrative costs and funds carried over from the 1983–84 fiscal year, reduced below the 1984–85 fiscal year funding levels.