Original sentence: The cost of the entire project -- at $23.5 million for presses, land and renovations -- did not seem unwise at the time because the regional economy was booming along with local real estate and the national economy
Edited sentence: The cost of the entire project—at $23.5 million for presses, land and renovations—did not seem unwise at the time because the regional economy was booming along with local real estate and the national economy