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Verified answer
Qd = 100 - 5pQs = 3p
-) keseimbangan pasar
Qd = Qs
100 - 5p = 3p
100 = 5p + 3p
100 = 8p
p = 100/8
p = 12,5
Q = 3(12,5) = 37,5
-) p = 5
Qd = 100 - 5(5) = 75
Qs = 3(5) = 15
excess demand = 75 - 15 = 60
-) surplus konsumen
Qd = 100 - 5p
0 = 100 - 5p
5p = 100
p = 100/5 = 20
surplus konsumen
= (20-12,5) × 37,5 /2
= 140,625
-) tujuan harga tertinggi adalah untuk melindungi konsumen