If at an Interest Rate of 7 Percent,planned Investment Is

If at an interest rate of 7 percent,planned investment is $2 trillion,government spending is $3 trillion,net taxes are $2.8 trillion,and household saving is $2.2 trillion,what is the quantity of funds demanded at an interest rate of 7 percent?

A) $1.8 trillion
B) $2.2 trillion
C) $2.8 trillion
D) $5.0 trillion
E) $5.8 trillion