In my opinion you should do what you love. It is very unlikely to have a successfully career in art, and engineering is definitely a safer choice. But life is about taking risks, and you want to do what makes you happy with the time you have
Mr. Bucket lost his job at the toothpaste factory because as technology advanced a machine was invented that was able to do his job faster and it would have been cheaper for the machine to do the job then Mr. Bucket.
Answer:
"how buyers will cut back or increase their demand when price rises or falls"
Explanation:
Hence the word elasticity.
Demand is defined by the number of people who buy your product during a certain period of time. It fluctuates greatly.
Cheaper prices will usually bring a lot more demand to a product, and increasing prices lowers demand. Businesses usually raise or lower prices depending on how much supply they have.
Hopefully this helps, I took business entrepreneurship this year in High School so we learned all about supply and demand.