Please help with these

Ii Question 1 7(Multiple Choice Worth a points) $12,000 ' $8.500 What is the expenditure multiplier according to the information in the table above? U Question 18(Multiple Choice Worth 3 points) Aggregate demand is down sloping for all of the reasons except C the wealth effect. C the exchange rate effect. C the interest rate effect. C that consumers purchase more of a good as the price rises. C that consumers purchase more of a good as the price decreases. U Question 19(Multiple Choice Worth 3 points) Which of the following would cause an Increase in aggregate demand? I. Congress cuts personal income taxes. II. The degree of excess capacity increases. Ill. The quantity demanded of imports increases. C | only. C II only. C I" only. C | and II only. C I, II, and Ill. If Question 20(Multiple Choice Worth 3 points) All of the following would cause aggregate demand to shift except a C change in consumer spending. C change in productivity. C change in investment spending. C change in exports. C change in imports. U Question 21 (Multiple Choice Worth 3 points) GDP would increase under which of the following conditions? C You inherit your uncle's car. C You buy an iced coffee from Starbucks. C You make your costume for a big party. C You buy $20,000 in Apple stocks. C You babysit your little brother while your parents go out to dinner