If an increase in disposable income causes consumption to increase from $4,000 to $10,000 and causes saving to increase from $2,000 to $4,000,it can be inferred that the MPC equals
A)0.4.
B)0.6.
C)0.5.
D)0.75.

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The Answer of If an increase in disposable income causes consumption to increase from $4,000 to $10,000 and causes saving to increase from $2,000 to $4,000,it can be inferred that the MPC equals
A)0.4.
B)0.6.
C)0.5.
D)0.75.

If an Increase in Disposable Income Causes Consumption to Increase