Suppose that in a closed economy GDP is equal to 10,000, taxes are equal to 3,500 consumption equals 6,000 and government purchases equal 2,000. What g private saving, public saving, and national saving? a. 2,000, 500, and 1,500, respectively b.2,000, 2,000, and 1,500, respectively c. 2,500, 1,000, and 1,500, respectiver