-The Above Table Has the Private Demand for Loanable Funds

$$\begin{array} { c c c } \begin{array} { c } \text { Real interest rate } \\\text { (percent per year) }\end{array} & \begin{array} { c } \text { Demand for loanable funds Supply of loanable funds } \\\text { (billions of } \\\text { 2005 dollars) }\end{array} & \begin{array} { c } \text { (billions of } \\\text { 2005 dollars) }\end{array} \\\hline 3 & 750 & 450 \\4 & 700 & 500 \\5 & 650 & 550 \\6 & 600 & 600 \\7 & 550 & 650 \\8 & 500 & 700 \\9 & 450 & 750\end{array}$$
-The above table has the private demand for loanable funds and the private supply of loanable funds schedules.If the government budget deficit is $200 billion, and there is no Ricardo-Barro effect, the equilibrium real interest rate is ________ and the equilibrium quantity of investment is ________.

A) 6 percent; $600 billion
B) 4 percent; $700 billion
C) 8 percent, $500 billion
D) 8 percent; $700 billion
E) 4 percent; $500 billion