Answer:
B. shortage of 1,000 gallons per week
Explanation:
Price = $1
Quantity demanded = 2,000
Quantity supplied = 1,000
Shortage = Quantity demanded - Quantity supplied
= 2,000 -1,000
= 1,000 gallons per week
Therefore, As per question Quantity demand that is 2,000 and quantity supplied that is 1,000. So, in this given case the Quantity demand is more than the quantity supplied.
Hence, there is shortage of 1,000 gallons per week.