Example of a situation in which a surplus of a product leads to decreased prices is food staples in America.
An example of a situation in which a shortage leads to increased prices is increasing prices of fuel due to a lack of fossil fuel availability.
Surplus of any product refers to a situation when the availability of goods is in more quantity whereas the demands for the products are sufficient which makes it decrease in the prices of products.
Food staples like frozen foods and vegetables along with eggs are considered a surplus product in America.
The prices of fossil fuels are increasing in the world as they are obtained through fossils that are not available in abundance which creates high demands for daily consumption and results in shortage.
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