If income increased by $20,000 . investment spending is fixed at $5,000 . government purchases are fixed at $10,000 . net exports are fixed at $500, and aggregate expenditure increases by $15,000 . what is the marginal propensity to consume (MPC)?
a. 0.25
b. 0.75
c. 0.33
d. 0.50
e. 0.70
B
Economics
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