Answer:
Hello your question is incomplete attached below is the complete question
Step-by-step explanation:
Dead weight loss = 0.5 [( Δp ) * ( ΔD ) ]
D = DEMAND
P = PRICE
DWL with quota = 0.5 [ ( $10 -$6 ) * (12 - 8 ) ]
= 0.5 ( 4*4 ) = $8
DWL with pigouvian tax = 0.5 [ ($10- $6 )*(9 - 8 ) ]
= 0.5 [ 4 * 1 ] = $2