kjndly dolce thse questions

Q.No.3: Assume that economies described by the following equations. Y=6000, G=1200; T=1200; 1=800-4r; C=200+0.8(Y-T) R=Interest rate Compute for this economy public, private and national saving. Find the private and national saving functions. 11. Find the equilibrium interest rate. Now suppose government rises its expenditures to 1400, compute public private and national saving. Find the new equilibrium interest rate