【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 ____.
$0.40; $0.40; $4
$1.20; $0.80; $12
$0.80, $1.20; $12
$1.20; $0.80; $128
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
____a week.
A) $1.20; $0.80; $4
B) $0.80; $1.20; $12
C) $0.40; $0.40; $4
D) $1.20; $0.80; $12
Answer: D