Final answer:
In a black market where the price is $2.00, a decrease in price could result, as lower prices can lead to an increase in demand and sales. This scenario aligns with the concept of price elasticity.
Step-by-step explanation:
In a black market where the price is $2.00, a decrease in price could result, as lower prices can lead to an increase in demand and sales. When prices decrease, consumers are often willing to buy more of a product, even on the black market. This scenario aligns with the concept of price elasticity, which measures how changes in price affect the quantity demanded of a product.