P148 No.2 Economists in Funlandia,a closed economy,have collected the following information about the economy for a particular year. Y=10000,C=6000,T=1500,G=1700 The economists also estimate that the investment function is :I=3300-100r,where r is the country's real interest rate,expressed as a percentage, Calculate private saving,public saving ,investment and the equilibrium real intrest rate.