单项选择题

Total surplus with a tax is equal to ( ).
A、consumer surplus plus producer surplus
B、consumer surplus minus producer surplus
C、consumer surplus plus producer surplus minus tax revenue
D、consumer surplus plus producer surplus plus tax revenue

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Total surplus with a tax is equal to ( ). A、consumer surplus plus producer surplus B、consumer surplus minus producer surplus C、consumer surplus plus producer surplus minus tax revenue D、consumer surplus plus producer surplus plus tax revenue

Total surplus with a tax is equal to ( ).
A、consumer surplus plus producer surplus
B、consumer surplus minus producer surplus
C、consumer surplus plus producer surplus minus tax revenue
D、consumer surplus plus producer surplus plus tax revenue