How do you calculate the Net Private Domestic Investment and the depreciation of an economy in a given year?

Question

Given the Following:

Government Expenditures - 300
GDP - 1000
Personal Income - 700
National Income - 800
Net Exports - 1
Net Domestic Products - 900
Personal Consumption - 500

The Gross Private Domestic Investment is $1,665.80 Billion Dollars.
Please Help

Answer 1

It's a two-step problem:

Net Private Domestic Investment = Gross Private Domestic Investment - Capital Consumption Allowance

You don't have a Capital Consumption Allowance, but:

Capital Consumption Allowance = Gross Domestic Product - Net Domestic Product