answer the question, need answer only

Question 61 Use the table below to answer the following questions. Not yet Table 3.4.1 answered Marked out of Price Quantity Quantity 1.000 (dollars per Demanded Supplied Flag unit) (units) (units) question 1,100 50 2 800 200 3 600 420 4 500 500 420 580 350 640 320 680 300 700 In Table 3.4.1, the equilibrium quantity is Select one: O a. 200 units. O b. 320 units. O c. 420 units. O d. 500 units. O e. none of the above; there is no equilibrium