If Y = income, C Consumption, I = Investment, X = Export and M = Import, then national income is?

A. Y = C – I + (x +m0
B. Y = C + I + (x + m)
C. Y = C +I +(X – M)
D. Y =C + I + (m – x)

Correct Answer: Option C

C. Y = C +I +(X – M)