The correct answer is letter (A)
Explanation: This is the Law of Supply and Demand, is the relation of the sellers and the buyers that can affect the price, if a product has a good selling it may the price decrease, if the product has a low selling make the price increase.
Law of Supply and Demand is responsible for balance of a economy, it can make increase or decrease prices in various ways.
earths magnetic field, also known as the geomagnetic field
It was because they didn't want to pay for tax
