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The table sets out the data for an economy when the government's budget is balanced. Real Calculate the equilibrium real interest rate, investment, and private saving. Loanable funds Loanable funds interest rate demanded supplied percent If planned saving increases by $0.5 billion at each real interest rate, explain the change in the real interest rate. per year) billions of 2007 dollars) 4 7.5 5.5 If planned investment increases by $1 billion at each real interest rate, explain the change in saving and the real interest 7.0 6.0 rate. 6.5 6.5 The real interest rate is 6 percent a year. 6.0 7.0 7.5 >>> Answer to 1 decimal place. 5.5 5.0 8.0 The quantity of investment is $ 6.5 billion, and the quantity of private saving is $ 6.5 billion. 4.5 8.5 If planned saving increases by $0.5 billion at each real interest rate, the real interest rate equals percent