日誌
The figure shows the market for books before and after a sales tax is introduced
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【題目】 The figure shows the market for books before and after a sales tax is introduced. The tax on books is ____ a book, buyers pay ____ of tax per book, and the governments tax revenue is ____.
$1.20; $0.80; $12
$1.20; $0.80; $128
$0.80, $1.20; $12
$0.40; $0.40; $4
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