GDP is $15 trillion. Consumption is $10 trillion, and government spending is $2.5 trillion. Taxes are $1 trillion, and the net capital inflow is $0.5 trillion. Investment is ______trillion dollars.
I know that investment always equals total savings. The answer is 3 trillion, but I think I attained the answer in the wrong calculation. Im looking for the calculation written out so I have it for the future.