"Development has a negative impact on our environment" Motivate why you agree with the statement
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What do economists mean when they use the latin expression ceteris paribus?

In the supply-and-demand schedule shown above, at the lowest price of $50, producers supply music players and consumers demand music players.

You speak to a business owner that is taking in almost $2000 in revenue each month. the owner still says that they are having trouble keeping the doors open. how can that be possible? use the terms of revenue, expenses and profit/loss in your answer