I n th e equatio n Y = C + I + G + N X ,
A.
Y represent s th e economy’ s tota l expenditure.
B.
C represent s househol d expenditure s o n service s an d durabl e goods.
C.
al l o f th e variable s ar e alway s positiv e numbers.
D.
Al l o f th e abov e ar e correct.