The purpose of opec, the organization of petroleum exporting countries, is to question 10 options: a stabilize the price of oil and ensure a regular supply of oil to other countries b manage the oil production and pricing in the middle east only c regulate the regulations of oil production in the middle east d stabilize the agriculture industry around the world

the correct answer is “opportunity cost”. opportunity cost is what a company misses out because it decided in one option over another one. in this case, the company decided to invest in building a factory so it gave up another possible benefit or profit in order to achieve success with the factory.  

trade-off is not the correct answer since it is a situation in which you accept losing something in return for benefits in other areas.

and finally, consequence is a general term used to accept what it comes when you make a decision. it can be a positive or negative consequence depending if the decision you took was the correct one.  

d. she conquered the black sea coast and parts of poland.