Country a Is a Large Country in the Market for Widgets.The

Country A is a large country in the market for Widgets.The following table summarizes two hypothetical situations in country A's domestic market for widgets.The first column depicts the situation with a $1000 tariff on imported widgets.The second column represents the situation with no tariff (that is,under free trade).Assume that transportation costs are zero and that demand and supply curves are linear.
$\begin{array}{|l|c|c|}\hline & \text { With } \$ 1000& \text { Free Trade} \\&\text { Tariff } \\\hline \text { World price of a widget }& \$ 2,000 &\$ 2,500 \\\hline \text { Tariff per unit }& \$ 1,000 & \$ 0 \\\hline \text { Price of a widget in Country A} & \$ 3,000 &\$ 2,500 \\\hline \text {Widgets bought in the U.S. per year }& 40,000 & 55,000 \\\hline \text {Widgets made in the U.S. per year} & 20,000 & 15,000 \\\hline \text {Widgets imported into the U.S. per year} & 20,000 & 40,000 \\\hline\end{array}$
Find out if there will be net welfare gain for the large country due to the imposition of the tariff.