每日答題： 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 ____. 答案： $1.20; $0.80; $12
【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
標籤: tax