The correct answer is - C) an increase in the quantity demanded of that product.
When a prize of a product goes down and the quality of the same remains the same, people tend to shift towards that product and start to buy that product, while in meantime leaving the products that they were buying before because they have a bigger prize. This also contributes to people buying more in quantity, and this is in case the prize of the product gets back as it was before. Since more people start to buy the product, and also buy it larger quantity, there's an increase in the demand for the particular product.
 
        
             
        
        
        
i just took this test and the answer was not A. im sorry it didnt give me the right answer.
 
        
                    
             
        
        
        
Answer: “In the Mid-20th Century, agriculture was the main component of Georgia’s economy.”
“Roughly 60% of Georgia’s population was rural in 1950.” 
“During the Great Depression, some farmers were paid NOT to grow crops.”
“The use of tractors and mechanical combine harvesters impacted the need for human labor on farms.“
“Beginning in the 1970s, more people have been moving to the city than moving to the countryside.”
Explanation:
It gave me a 100% in USA Test Prep