If known information in a closed economy is as follows:

National income = IDR 8 trillion

Tax = Rp1.5 trillion

Private savings = Rp. 0.5 trillion

Public savings = Rp. 0.2 trillion

1. Calculate the amount of consumption, government expenditure, national savings and investment!

2. If private savings become IDR 2 trillion, recalculate the amount of consumption, government spending, national savings and investment!

3. Explain the impact of changes in private savings to changes in the savings fund market! Complete the chart to explain the answer.