In the year of 2019, the state of Connecticut has a total disposable income of $40 billion and total consumption of $40 billion. In the year of 2020, the state of Connecticut has a total disposable income of $50 billion and total consumption of $47.5 billion.
If planned investment spending in Connecticut increased by $6 billion. By how much do you think the equilibrium level of GDP (in billions of dollars) would increase? (E.g. $12,345,678,900 should be entered as 12.35)