In a Given Year, an Economy Has Consumption of $7000

In a given year, an economy has consumption of $7000, investment of $3000, government purchases of $2500, exports of $2500, imports of $1000, taxes of $1200, transfer payments of $1400, and depreciation of $1300. What is the GDP?

A) $10 100
B) $11 100
C) $12 400
D) $14 000