Economists in Pakland, a closed economy, have collected the following information about the economy for a particular year:

Y= Rs.10,000

C= Rs.6,000

T= Rs.1,500

G= Rs.1,700

The economists also estimate that the investment function is:

I= 3,300 - 100r

Where,ris the country's real interest rate, expressed as a percentage. Calculate:

1. Private saving= ?
2. Public saving= ?
3. National saving= ?
4. Investment=?
5. The equilibrium real interest rate= ?
6. If the government increases taxesto Rs.1,800, calculate private saving= ?