Glad I don't live where you do!!
60 x 40 with 20 ceilings, concrete pad with drains, vinyl siding to match house, 25 year shingles, 5" gutters, bathroom, hot water heater, electric every 10 feet, steel I beam with/including motor hoist, air compressor outlets every 20 feet including huge compressor in it's own shed outback to keep the noise down, vents for exhaust, fans, heat pump, surround sound, floor sealed and painted, custom drive stands, toilet paper in the bathroom, sodium lighting, mucho earth work before building, 80 x 60 asphalt driveway, etc for under $50K.
Thanks for the breakdown- not saying it as you don't know what you are talking about by any means; just that is quite a bit more than in my area 20 miles south of DC.