Discuss what sources of data (e.g., cost of living, inflation, housing market changes, unemployment rates, federal loan interest rates, gross domestic product changes, etc.) would you use to help forecast budget changes for year 2+?

Forecasting is a very difficult part of budgeting. Discuss what sources of data (e.g., cost of living, inflation, housing market changes, unemployment rates, federal loan interest rates, gross domestic product changes, etc.) would you use to help forecast budget changes for year 2+? Provide rationale for your choice(s).