Cook, who took over from Steve Jobs last year, said in an interview with Bloomberg Businessweek that Apple will work with partners on the project and put in at least $100 million of its own money. Outside involvement may increase the total.

The investment “sounds like a 200-job operation with about a million-unit output,” said Dan Luria, a labor economist at Michigan Manufacturing Technology Center in Plymouth, Michigan, who studies factory operations. Apple will probably rely on tax breaks and other incentives for the facility, he said.

Read more: businessinsider.com