Suppose that in a closed economy GDP is equal to 10,000, taxes are equal to 2,500 Consumption equals 6,500 and Government expenditures equal 2,000. What are private saving, public saving, and national
选项：

A:Suppose that in a closed economy GDP is equal to 10,000, taxes are equal to 2,500 Consumption equals 6,500 and Government expenditures equal 2,000． What are private saving, public saving, and national saving
B:1000, 500, 1500
C:500, 1500, 1000
D:None of the above are correct．