Дефицит и равновесный выпуск

WiCland's aggregate demand is given by the following equation:

$AD = c_0 + c_1 \cdot (1 - t) \cdot Y + I + G + X - m \cdot Y$

$c_0 = 200,\ c_1 = 0.7,\ I = 300,\ G = 400,\ X = 200,\ m = 0.15$

If a budget deficit of 3% of the GDP is the highest acceptable, then Y could be: