. The following schedule show the demand and supply for a product. . Schedule I: Demand and individual consumers - Schedule 2: Supply from individual producers Price Consumer Consumer Consumer Price Producer Producer Producer X Y Z A B C I 0 4O 40 60 I O 20 20 20 20 35 35 50 20 25 30 25 3O 3O 30 40 3O 3O 40 3D 40 25 25 30 40 35 50 35 50 20 20 20 50 4O 60 4D 60 l 5 l 5 l 0 60 45 70 45 70 I 0 l 0 0 70 50 80 50 80 0 0 0 80 55 90 55 The following table shows the demand and supply schedules for compact discs (CD) for a month. _ Household Market demand Individual supply Market supply demand 2.00 20 30 2.50 I8 40 3.00 IS 50 3.50 I2 55 4.00 lo 60 4.50 7 68 There are 50 households purchasing and IS sellers selling the CD5 in the market