Consider a simple macro model with a constant price level and demand-determined output. The equations of the model are: C=60+0.43Y,I=150,G=260,T=0,X= 90,IM=0.06Y. A national income of 1200 results in desired aggregate expenditure

a) 926.
b) 1148 .
c) 1016.
d) 1004
e) 560 .