A turn$-$key project is best defined as:

a method of doing business whereby a foreign entrepreneur supplies the manufacturing technology or infrastructure for a business

and then turns it over to local owners

giving a foreign manufacturer the right to use a patent in return for the payment of a royalty

a method in which an entrepreneur contracts his or her management techniques and skills to a $($foreign$)$ purchasing company

a form of direct foreign investment in which the Investing entrepreneur holds a minority ownership position in the foreign venture