Answer
The answer and procedures of the exercise are attached in the following archives.
Explanation
You will find the procedures, formulas or necessary explanations in the archive attached below. If you have any question ask and I will aclare your doubts kindly.
Answer:
scarcity
tradeoffs
Explanation:
Humans have unlimited wants and the resources available to satisfy this wants are limited. Thus, humans have to choose the most important wants and give up less important wants.
For example, if you have $20 and you want to buy a textbook , ice-cream or jeans. Each cost $20. If you need the textbook to study for a test, you would choose the book. Here $20 is the scarce resource. jeans and ice cream are what you traded off
Answer:
return on assets = 20%
Explanation:
given data
net income = $900
beginning total assets = $4600
ending total assets = $4400
solution
we get here return on assets that is express as
return on assets = 
× 100 ............1
here average assets will be
average assets = 
average assets = $4500
put here value we get
return on assets = 
× 100
return on assets = 20%
