Answer:
$250 billion.
Explanation:
The computation in the increase in real GDP is shown below:
Given that
MPC = 80% or 0.80
Income multiplier = 1 ÷ (1 - MPC )
= 1 ÷ (1 -0.80 )
= 1 ÷ 0.20
= 5
Now
The Increase in disposable income is $50 billion
So,
The Increase in real GDP is
= 50 × 5
= $250 billion
We simply applied the above formula so that the correct value could come
And, the same is to be considered