If disposable income increases from $250 to $300 and saving increases from $40 to $50, how much is the average propensity to save when disposable income is $300? O 0.2 O 0.167 O 0.133 O 0.10

If disposable income increases from $250 to $300 and saving increases from $40 to $50, how much is the average propensity to save when disposable income is $300 ? 0.2 0.167 0.133 0.10