Manuel is training for a triathlon, a timed race that combines swimming, biking, and running.
consider the following sentence: in order to swim for an hour, manuel must take time away from work, where he earns $12 per hour. this is in addition to paying a $4 entrance fee for the pool.
which basic principle of individual choice do these statements best illustrate?
1) the cost of something is what you give up to get it
2) markets are usually a good way to organize economic activity
3) people usually exploit opportunities to make themselves better off.
4) trade can make everyone better off

1) The cost of something is what you give up to get it

Explanation:

There are unlimited wants but limited resources available to satisfy these wants. Hence a scale of preference which shows these wants in order of importance is developed.

Due to the limited resources, not all wants can be satisfied hence the concept of opportunity cost which is the cost of the alternative forgone.

In this situation, the opportunity cost for swimming  is the $12 that would have been earned if he had gone to work.

i would get some file cabnitsits to store all my documents and paper work, then i would make sure to always keep my desk clean and organzed by using sticky notes to mark a stack of papers. and etc. but mainly i would just stay clean and organized because it will make lfe alot eaisier trust me. hope this !