Given the income and consumption for the three individuals in the table below, calculate their individual marginal propensity to consume (MPC) and the total marginal propensity to consume for the entire group.
Name Income Consumption MPC
Anne $20,000 $17,000 (total)
Brad $30,000 $22,000 (total)
Claire $40,000 $24,000 (total)
Total (total) (total) (total)