all the information is provided in the picture. can I get help with this question?

Figure 1 IL] S \\\\ A J--l Sh\" a) What is the level of domestic production, domestic consumption, and imports prior to the formation of the customs union? From which nation will these imports he purchased? b) What is the level of domestic production, domestic consumption, and imports after the formation 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 he gains from the formation ofsuch a customs union