Suppose that when disposable income rises from $3 trillion to $3.2 trillion,consumption rises from $2.5 trillion to $2.6 trillion.What is the marginal propensity to save?
A)0.1
B)0.2
C)0.5
D)0.8
E)0.9

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The Answer of Suppose that when disposable income rises from $3 trillion to $3.2 trillion,consumption rises from $2.5 trillion to $2.6 trillion.What is the marginal propensity to save?
A)0.1
B)0.2
C)0.5
D)0.8
E)0.9

Suppose That When Disposable Income Rises from $3 Trillion to $3.2