Price ($) 20 Supply + Tax Supply 8 9 -- Quiz Information 12 10 8 4 Demand 0 8 10 20 Quantity The price paid by consumers after the $4 per unit tax is that sellers receive (keep) is: a) $12; $8 b) $10; $6 and the after-tax price c) $8; $4 d) $10; $10