Answer
For P = 8, Q= 1
For P = 7, Q= 2
For P = 6, Q= 4
For P = 5, Q= 7
For P = 4, Q= 10
For P = 3, Q= 13
For P = 2, Q= 16
For P = 1, Q = 19
Work Step by Step
For market demand schedule, add the individual demands to get the total quantity
For P = 8, Q= 0 + 1 + 0 = 1
For P = 7, Q= 0 + 2 + 0 = 2
For P = 6, Q= 0 + 3 + 1 = 4
For P = 5, Q= 1 + 4 + 2 = 7
For P = 4, Q= 2 + 5 + 3 = 10
For P = 3, Q= 3 + 6 + 4 = 13
For P = 2, Q= 4 + 7 + 5 = 16
For P = 1, Q = 5 + 8 + 6 = 19