3. If a family's disposable income is $100,000 and the amount it consumption is $80,000, its

Group of answer choices

a. Average propensity to consume is 0.70.

b. Average propensity to consume is 0.75.

c. Average propensity to consume is 0.80.

d. Marginal propensity to consume is 0.35.

e. Marginal plus average propensity to consume equal 1.