Question $18(2$ points$)$

Suppose the economy is described by the following $($assume no international trade$)$

$C=200+0\mathrm{.}8(Y-T)$

$G=100$

$T=100$

$I=150-1000r$

$r=0\mathrm{.}05$

Solve for the equilibrium GDP

$2100$

$1600$

$2600$

$3100$