Andrew Su, CEO at brokerage Compass Global Markets said the average cost of producing gold in Australia, home to some of the world's biggest gold miners, has jumped from $500 an ounce in 2007 to over $1,000 an ounce this year.
Persons (plural) is a very formal word. We only use it in rather legalistic contexts: [notice in a lift] Any person or persons found in possession of illegal substances will be prosecuted.
Person. In general usage, a human being; by statute, however, the term can include firms, labor organizations, partnerships, associations, corporations, legal representatives, trustees, trustees in Bankruptcy, or receivers. A corporation is a person for purposes of the constitutional guarantees of equal protection of laws and Due Process of Law.