Answer:
Option (d) is correct.
Step-by-step explanation:
Suppose Deborah gets a sales bonus at her place of work,
Disposable Income, YD = $ 600
Consumption, C = $480
Savings , S = $ 120
Marginal propensity to consumer, MPC:
= Consumption ÷ Disposable Income
= 480 ÷ 600
= 0.8
Therefore, Deborah marginal propensity to consume (MPC) is 0.80
Option (d)