Assume net exports are -$220, consumption is $5,000 . tax revenues are $1,000 . government purchases are $1,500, and 2003 GDP, calculated by the expenditure approach, is $8,000 . We can conclude that

a. private investment was $1,940
b. public investment was $310
c. private investment was $320
d. private investment was $1,720
e. public investment was $1,730

D