Economics homework help

3.22. Which of the following statements is correct? [1] If government wishes to decrease the equilibrium level of income, it can increase G and leave t unchanged. [2] If government wishes to increase the equilibrium level of income, it can increase G and decrease t. [3] If government wishes to reduce the equilibrium level of income, it can decrease t. [4] If government wishes to reduce the equilibrium level of income, it can increase G. [5] If government wishes to reduce the equilibrium level of income, it can decrease G or decrease t, but it cannot do both.