33 GDI equals

a. compensation of employees.

b. government expenditure.

c. gross domestic investment.

d. all of the above.

34 Gross Domestic Product is often expressed symbolically as

a. C + I + E + NX = T.

b. C = a + bY .

c. C + I + G + NX = Y .

d. C + S + T + NX = Y .