Which of the following best describes the difference between average propensity to consume (APC) and marginal propensity to consume (MPC)?

• A. APC measures total consumption relative to total income, while MPC measures the change in consumption relative to a change in income.
• B. APC measures the change in consumption relative to a change in income, while MPC measures total consumption relative to total income.
• C. APC and MPC both measure total consumption relative to total income.
• D. APC and MPC both measure the change in consumption relative to a change in income.

Answer: (A)