Answer:
option a) 5 billion
Step-by-step explanation:
Data provided in the question:
GDP = $20 billion
Cost of goods and services = $3 billion
Tax collected = $6 billion
Transfer payments to households = $2 billion
Private saving in Growpaw = $4 billion
Now,
Disposable income = GDP - taxes + transfer payments
=$20 billion - $6 billion + $2 billion
= $16 billion
Consumption = Disposable income - Savings
= $16 billion - $4 billion
= $12 billion
Thus,
Investment = GDP - consumption - government purchases
= $20 billion - $12 billion - $3 billion
= $5 billion
Hence,
the correct answer is option a) 5 billion