Consider the following numerical model:

C = 800 + 0.5YD

I = 0.25Y-3000i+600 G = 1200

T = 800

3)When the interest rate is 0.75%, the equilibrium output level, Y, is A) 12250.

B) 8890.

C) 8250.

D) 4000.

E) none of the above.