Question 30 2.5 Suppose that the mpc is 0.3. Which of the following statements MUST be true? When consumers receive $100 of additional disposable income, they spend $70 on additional consumption. When consumers receive $100 of additional disposable income, they spend $30 on additional consumption. O Consumers spend a total of 30% of their disposable income on consumption. Consumers spend a total of 70% of their disposable income on consumption