A permanent steel building used for the overhaul of dewatering systems (engines, pumps, and wellpoints) is placed in service on July 10 by a calendar year taxpayer for $500,000. It is sold almost 5 years later on May 15. Click here to access the MACRS-GDS Property Classes Part a Your answer is correct. What is the MACRS-GDS property class? 39-Year Property eTextbook and Media Attempts: 2 of 3 used