Answer:
The correct answer is B.
Explanation:
Giving the following information:
When Julie Ann's disposable income is $10,000, she spends $10,000 and when her disposable income is $15,000, her spending is $12,500.
The autonomous consumption is the minimum that one person consumes regardless of the income.
autonomous consumption=10,000
Marginal propensity to consume= variation on consumption/variation on income
Marginal propensity to consume= 2,500/5,000= 0.5