Answer:
$-0.18 trillion 
$0.7 trillion 
$-0.88 trillion 
Step-by-step explanation:
National savings is the sum of public and private savings.
National Saving = private saving + pubic saving = GDP - Consumption - Government Spending 
National savings (in trillion)= $14.12 - $10.50 - $3.80 = $-0.18 trillion 
Public savings = Taxes - Government Spending 
Pubic savings (in trillions) = $4.5 - $3.8 = $0.7 trillion 
Private savings in a closed economy = GDP + Transfer payment - Taxes - Consumption 
Private savings (in trillions) = $14.12 - $10.50 - $4.50 = $-0.88 trillion 
I hope my answer helps you.