Figure 10.3 P x S S + T S +T X Q1 A) what is the level of domestic level production, domestic production, and imports prior to the information of the customs union? from which nation will these imports be purchased? b) what is the level of domestic level production, domestic production, and imports after the information of the customs union? from which nation will these imports be purchased? c) Will the customs union be trade diverting or trade creating? Explain. d) Will there necessarily be gains from the formation of such a customs union