Answer: $800
Explanation;
The Equilibrium price is the price where the quantity sold by buyers equals the quantity sold by sellers.
Going by the following schedule that price would be $800 because at that point Sellers are willing to sell 3 units and Buyers are willing to buy 3 units.
Price Quantity Demanded Quantity Sold
1,000 1 5
900 2 4
800 3 3
700 4 2
600 5 1