The diagram below shows the impact of a tariff imposed on imports of a good, which increases the domestic price from P1 P_1\,P1 to P2P_2P2.
Which area(s) represent(s) the net welfare loss to the domestic economy from imposing this tariff?
WWW
W+YW + YW+Y
X+ZX + ZX+Z
X+Y+ZX + Y + ZX+Y+Z
