If the Price of a Bottle of Orange Juice in the Downtown

If the price of a bottle of orange juice in the downtown area is $0.50 per bottle and, at that price, each of the 10,000 people working in the downtown area wants to buy two bottles of orange juice per day, the quantity demanded in the downtown orange juice market would be

A) 5,000 bottles per day.
B) 10,000 bottles per day.
C) 15,000 bottles per day.
D) 20,000 bottles per day.