Fill in the missing data for the following table (in billions):

Consumption: _____________________ Consumption of durable goods: $1,200 Consumption of nondurable goods: $1,800 Consumption of services: $2,400 Investment: _____________________ Fixed investment: $800 Inventory investment: $600 Government expenditures on goods and services: $1,600 Government transfer payments: $500 Exports: $500 Imports: $650 Net exports: _____________________ GDP: _____________________