A market in Country B, which is a small economy, is described by the following supply and demand curves, respectively:

QS=P-5

QD=40-2P

where QSand QDare quantity supplied and demanded, and P is price.Suppose the world price is $10.The government in Country B places $3 tariff (per unit) on imported goods.What is the value of wasted resources after the government policy?

a.

19.5

b.

9

c.

32

d.

4.5