Suppose the Domestic Supply (Q^S) and Demand (Q^D) for Skateboards $$\begin{array} { l } Q ^ { S } = - 60 + 3 P \\Q ^ { D } = 390 - 2 P\end{array}$$

Multiple Choice

Suppose the domestic supply (Q^S) and demand (Q^D) for skateboards in the United States are given by the following set of equations: $$\begin{array} { l } Q ^ { S } = - 60 + 3 P \\Q ^ { D } = 390 - 2 P\end{array}$$ Calculate the change in consumer surplus when the United States engages in free trade and imports skateboards from the rest of the world at a per unit price of $75.

A) +$2,850
B) -$2,850
C) -$6,300
D) +$3,375