Calculate the monopolist's total revenue if the monopolist uses perfect price discrimination.

price	Q	TR w/o price discrimination	TR with perfect price discrimination
$11	0	-	-
$5	15	$75	$75
$3	25	$75	$105

(4 marks)

c. Calculate the deadweight loss if the monopolist charges a single price.

DWL=1/2x(p2-p1) (qe-qm) Qe= efficient quantity and Qm= monopoly quantity.

0.5 x (5-3)(25-17.5)

=7.5

where do the 25 and 17.5 come. where are the numbers pulled from