Shall the current level of police and fire protection services be maintained at a minimum of 94 sworn police officers and a minimum of 7 fire companies by adoption of an ordinance imposing a parcel tax in an annual amount of $78 for single-family residences, $46.80 per multi-family unit and $16 per thousand square feet for industrial and commerical properties, such parcel tax to end after five and one-half years?