Just need the answers please.

Question 1 3 pts Consider the following graph. Suppose the economy is currently at point A. Which point will the economy go to in long run if there is a technological advancement? Price LRAS, LRAS, level (P) SRAS, B A SRAS, D C AD. Real GDP (Y) OA OB OC ODQuestion 3 3 pts Which of the following would cause an increase in unemployment in the short run? C} The oil price decreases. C} Firms are less condent about the economy. U Consumer condence increases. (:3: Government increases spending Question 4 3 pts Refer to the following graph. Price level (P) LRAS SRAS2 SRAS D AD2 AD Real GDP (Y) Based on the graph above, an increase in could cause the economy to move from point A to point B. O firms' investment O interest rate O labor productivity O the price of oil O taxes