Possible Levels of Domestic Output and Income (GDP = DI) Consumption $320 $320 330 327 340 334 350 341 360 348 370 355 380 362 4. The multiplier for this economy is equal to 5. Suppose G = $7 and I = $5. The equilibrium level of GDP for this economy equals dollars. 6. Suppose G increases to $8 and I increases to $7. The equilibrium level of GDP for this economy now equals dollars