There are questions in this section. Please answerALLquestions (TRUE or FALSE) and provide a reason to support your answer 1- An expansion starts when the economy hits a trough and then enters a recovery. 2- If in the same period output doubles and the price level remains the same, nominal Gross Domestic Product (GDP) doubles. 3- If the nominal wage rate decreases, with price remained constant, the short-run aggregate supply curve shifts rightward