Nissan manufactures sedans and pickup trucks. As one of Nissan's economists, you're in charge of ensuring efficient management of costs. At one manufacturing plant, if Nissan devotes all of its resources to manufacturing sedans, it can produce 480,000 sedans per year. If Nissan devotes all of its resources to manufacturing trucks, it can produce 240,000 trucks per year. What is Nissan's opportunity cost of producing one truck at this manufacturing plant?
O half sedan
O two trucks
O half truck
O two sedans