Suppose the Domestic Supply (Q^S_{U Demand (Q^D) and Supply (Q^S) in the Rest of the the United}

Multiple Choice

Suppose the domestic supply (Q^S_U.S.) and demand (Q^D_U.S) for bicycles in the United States are given by the following set of equations: $$\begin{array} { l } Q _{^{\mathrm { S } } U . S } = 2 \mathrm { P } \\\mathrm { Q }_{^{\mathrm { D } } U . S } = 200 - 2 \mathrm { P } .\end{array}$$ Demand (Q^D) and supply (Q^S) in the Rest of the World are given by the equations: $$\begin{array} { l } Q ^ { S } = P \\Q ^ { D } = 160 - P .\end{array}$$ Quantities are measured in thousands and price in U.S. dollars. In the absence of international trade, _____ thousand bicycles will be sold in the United States at a per unit price of _____.

A) 50; $50
B) 100; $100
C) 150; $50
D) 100; $50