Here are the costs and savings the state Department of Corrections estimates for the five state prisons it is considering closing.

Frackville: Annual cost of operation in 2017-2018: $56,983,000; net cost savings if closed: $44,000,000; employs 409 people.Retreat: Annual cost of operation in 2017-2018: $57,368,000; net cost savings if closed: $45,000,000; employs 400 people.Mercer: Annual cost of operation in 2017-2018: $60,443,000; net cost savings if closed: $46,000,000; employs 413 people.Pittsburgh: Annual cost of operation in 2017-2018: $100,510,000; net cost savings if closed: $81,000,000; employs 555 people.Waymart: Annual cost of operation in 2017-2018: $99,478,000; net cost savings if closed: $82,000,000; employs 706 people.- CHRIS PARKER