Which of the following provides the best example of quaternary economic activity?
An economic consultant who makes suggestions to companies as to which agricultural products to buy (coffee, dates, tobacco, etc.) given current market trends
A date farmer in Jordan that sells his surplus crop to a local sugar refinery
An American-based facility that purchases government-subsidized corn and manufactures food additives and high fructose corn syrup
A subsistence farmer in Ecuador that sells some crop surplus to the market, but farms to support a family who lives on less than two dollars a day
A public land grant college that develops a variety of rice that does not require flood irrigation and can be grown in semi-arid countries whose farmers are challenged by frequent drought