Need some help with these homework questions, thanks!

Question 13 Which of the following will NOT shift the aggregate demand curve to the left? 0 Consumers become more optimistic about the future. 0 Consumers become pessimistic about the future. 0 Government spending decreases. 0 Business optimism decreases. Question 14 The benets-received principle of taxation is most evident in: O the personal income tax. 0 progressive tax rates. 0 excise taxes on gasoline. O the corporate income tax