To attract and retain quality teachers and staff by keeping compensation competitive in order to (a) preserve outstanding instruction in math, science, reading, writing, history, social studies and technology; (b) support arts, music; (c) limit class sizes; and (d) support student health and safety; shall a Davis Joint Unified School District ongoing parcel tax of $198/year, adjusted annually for inflation, be adopted, raising approximately $3,000,000/year, with senior, disability, employee exemptions and citizens oversight; for Davis schools only?