To attract and retain qualified credentialed teachers, to maintain elective courses for students needing to qualify for college admission, to purchase textbooks and materials, to maintain libraries, music and art programs, to maintain reduced class sizes, to continue after school academic programs, shall Oakland Unified School District be authorized to increase the existing $123 per year parcel tax by $7 per month to $207 annually for a period of 5 years with no money used for administrative costs?