The economic term is the opportunity cost.
The concept of opportunity cost is a relatively inexpensive and relative measure that involves people's preferences, so it varies from person to person. It is a question of comparing what is left over when making a decision.
In Katie's case, the opportunity cost of the money she saves to buy a car is what she fails to do with that money. For example, she stops investing in stocks, fails to make a trip, etc.
All decisions involve an opportunity cost. Taking another example, the opportunity cost of studying for the test at the end of the week is measured by the loss of leisure you would have. However, the decision to study for the test is chosen because it is more valuable.
The individual will have a large tax bill.
We need to sleep for overall health and wellbeing. sleep is an active period in which a lot of important processing, restoration, and strengthening occurs. sleep helps solidity memories. Our bodies need sleep to grow muscle, repair tissue and synthesize hormones.
Poor people didn't have much money or food and worked as servants to farmers. That would be the first part, but the last part I don't know.
