I would like to have step by step solutions please. Answers included with the Qs

; ; Y ; ; ; ;C ; ; ;Ip ; ; ;G ; ; ; X ; ; ;IM ; ;T ;
; 7000 ; 5000 ; 100 ; 1300 ; 900 ; 100 ; 900
; 8000 ; 5500 ; 500 ; 1300 ; 900 ; 200 ; 900
; 9000 ; 6000 ; 900 ; 1300 ; 900 ; 300 ; 900

1) ;For the table above, the level of equilibrium private saving equals? ;1600

2)For the table above, the value of the marginal propensity to consume out of income, Y, is? ;1/2

3)For the table above, the value of the income-expenditure multiplier is? ;5

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; ; ;Y ; ; ; C ; ; ;Ip ; ; G ; ; ;X ; ; IM ; ; T ;
; 4000 ; 2800 ; 500 ; 700 ; 900 ; 900 ; 900
; 5000 ; 3600 ; 700 ; 700 ; 900 ; 1000 ; 900
; 6000 ; 4400 ; 900 ; 700 ; 900 ; 1100 ; 900 ;

1) ;For the table above, the level of equilibrium disposable income equals? ;3100

2) ;For the table above, the value of the income-expenditure multiplier is? ;10

3) For the table above, the value of the marginal expenditure rate (MER) is? ;0.9

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; ;Y ; ; ; ;C ; ; ;Ip ; ; G ; ; ;X ; ;IM ; ; T
;1500 ; 1000 ; 600 ; 700 ; 400 ; 200 ; 100
;3500 ; 2600 ; 700 ; 700 ; 400 ; 400 ; 500
;5500 ; 4200 ; 800 ; 700 ; 400 ; 600 ; 900 ;

1) ;For the table above, the value of ; Equilibrium NATIONAL SAVING? ;600

2) ;For the table above, the value of the marginal tax rate is? ;1/5

3)For the table above, the value of the marginal expenditure rate is? ;3/4

4)For the table above, if government expenditures were equal to 450 instead of 700, equilibrium output would have been?4500

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1) For the table above, if government spending decreases to 200, equilibrium CONSUMPTION changes to _______.? ;3000

2) ;For the table above, the value of unintended investment at output, Y, equal to 4000 is _______.? ;-600

3) ;For the table below, the value of the marginal expenditure rate is _______.? ;1/2