Figure 9-5 The Figure Illustrates the Market for Tricycles in a Country

Figure 9-5
The figure illustrates the market for tricycles in a country.
-Refer to Figure 9-5.Bearing in mind that this country is "small," what would happen if there were a decrease in the price of tricycle helmets within this country,given that tricycles and tricycle helmets are complements?

A) The quantity of tricycles that this country imports would increase.
B) The quantity of tricycles that this country imports would decrease,but the country would still be an importer of tricycles.
C) This country would switch from being an importer of tricycles to an exporter of tricycles.
D) The domestic price without trade would move closer to the world price.