4. Fill in the missing values in the following table. Assume that the value of the MPC does not change as real GDP changes. a. What is the value of the MPC? b. What is the value of equilibrium real GDP? Nationa Consumptio Planned Governmen Net Planned Unplanne n (C) Investmen t Purchases Export Aggregate d Change Income t (1) (G) s (NX) Expenditure in and s (AE) Inventorie Real S GDP $9000 $7600 $1200 $1200 -$400 $9600 -$600 $10 000 $8400 $1200 $1200 -$400 $10 400 $400 $11 000 $9200 $1200 $1200 -$400 $11 200 -$200 $12 000 $10 000 $1200 $1200 -$400 $12 000 0 $13 000 $10 800 $1200 $1200 -$400 $12 800 $200