Which four of these developments were made under mongol rule during the pax mongolica? •the extension of the grand canal in china
•the spread of Christianity
•the trade was encouraged with foreign states because they offered hospitality to foreign traders at Chinese ports.
•the invention of new medicines
•the establishment of a postal system
•there was development of a commerce in the region along the Silk Road.

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.