If your disposable personal income increases from $30,000 to $40,000 and your savings increases from $2,000 to $4,000, your marginal propensity to save (MPS)is:
A)0.2.
B)0.4.
C)0.5.
D)0.8.
E)1.0.

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The Answer of If your disposable personal income increases from $30,000 to $40,000 and your savings increases from $2,000 to $4,000, your marginal propensity to save (MPS)is:
A)0.2.
B)0.4.
C)0.5.
D)0.8.
E)1.0.

If Your Disposable Personal Income Increases from $30,000 to $40,000