According to table 1.2, what is the opportunity cost of producing one cruise ship in Norway? Worker units required in each area to produce the following number of ships and barrels of crude oil in one year. Cruise Ships Barrels of Crude Oil Norway 6 8 United States 6 2 elect one: a. 3/4 million barrels of crude oil b. 1 million barrels of crude oil c. 4/3 million barrels of crude oil d. 8 million barrels of crude oil