Answer: There are 1490 items must be sold for the company to make a profit.
Explanation:
Since we have given that

So, According to question, we get :

As we know that

So, there are 1490 items must be sold for the company to make a profit.
Answer:
benefits; costs
Explanation:
The theory of social exchange proposes that all relationships are formed, maintained, or broken due to a cost-benefit analysis. It leads us to make comparisons of alternatives raised and, finally, to opt for those relationships that offer us a greater benefit at a lower cost.
This theory has been highly valued among behaviorist paradigms in that it can be quantified and measured for its simplicity. Over time, and with the emergence of cognitive and constructivist paradigms, it became obsolete.
Answer:
They all depended on nature and the land for survival.
Explanation: