Suppose that in the figure to the right, the MPC is equal to 0.85. In addition. the amount of the horizontal leftward shift from AD2 to AD3 caused by a crowding-out effect on planned investment spending was $0.40 trillion, or $400 billion. How much investment spending was crowded out? The amount of investment spending that must be crowded out to shift the AD curve leftward by $400 billion is $|:| billion. (Enter your response rounded to two decimal places.) Real GDP per Year ($ trillions)