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Verified answer
Sebelum pajakPd = Ps
-2Q + 50 = 10Q - 150
200 = 12Q
16,67 = Q
P = -2(16,67) + 50
= -33,34 + 50
= 16,66
Setelah pajak
Ps = 10Q - 150 + 1
= 10Q - 149
Pd = Ps
-2Q + 50 = 10Q - 149
199 = 12Q
16,58 = Q
P = -2(16,58) + 50
= -33,16 + 50
= 16,84
(16,66 ; 16,67) → (16,84 ; 16,58)
Setelah mendapat pajak, harga barang naik tetapi kuantitasnya menurun