Here, public savings = $1.05 billion and private savings = $3.15 billion
It is calculated as follows:
Total savings, S = $4.20 billion
We know: S = V+U
It means National Savings = Private savings + Public savings
Here:
V = private savings , U = public savings and
Private saving, V = 0.75 × S
= 0.75 × $4.20 billion
= $3.15 billion
And, the public savings will be = National savings - private savings
= $4.20 billion - $3.15 billion
= $1.05 billion
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