Explanation:
The answer to this question is contained in the attachment. The graph has been used to explain the solution.
A. As license got suspended price rose to p1 as quantity fell from q to q1.
So quantity decreased and price rose.
B. The area market csps, D ands cs were consumer surpluses , after the decrease in amount of vaccines in the market, consumer surplus decreased to area cs, csps became part of producer surplus. Triangle d is the deadweight loss caused by fall in quantity.
Ps and d' are initial producer surplus. Producer surplus after decrease in vaccine can be seen in ps and csps. D' is the dead weight loss as price decreases.
