Answer
$300
Work Step by Step
In a closed economy, saving must be equal to investment, S=I. Saving van be broken down into the income that is left after subtracting consumption and government spending, or Y-C-G. Private saving is equal to income - consumption and taxes, with public saving equal to taxes - government spending; therefor, total saving can be rewritten a (Y-C-G) + (T-G. To solve for private.