In a production-possibilities/indifference curve diagram depicting the movement of a country from a situation of a uniform tariff against all trading partners to a situation of a customs union with one trading partner, Select one: O Home production of the country's export good will increase and home production of the country's import good will also increase after the formation of the customs union. O The country must necessarily move to a lower indifference curve after the formation of the customs union. O Home production of the country's export good will increase and home production of the country's import good will decrease after the formation of the customs union. O Home production of the country's export good will decrease and home production of the country's import good will decrease after the formation of the customs union. O The country must necessarily move to a higher indifference curve after the formation of the customs union.