Suppose that current disposable income is $10000 and consumption spending is $8000. For every $100 increase in disposable income saving increases $10. Given this information
(A)the marginal propensity to consume is .80. (B)the marginal propensity to save is .20. (C)the marginal propensity to save is .10. (D)the marginal propensity to save is .90.
C