Introduction: The Appraisal Profession 1. If a product is manufactured in a facility in one state but sold in a store in another state, the property in which the product is manufactured is known as a) A commercial property b) An industrial property c) A residential property d) A retail-office property 10. A real estate multiple listing service (MLS) system is a) b) c) d) A measurement of the elevation above sea level A system used to track the zoning on real estate in a county A system used to display demographic data linked to geographical locator data A system realtors use to distribute, publish, and advertise properties for sale and sometimes to compile sales data on properties after sales occur