1. how do you calculate Unplanned investment?
   

QUESTION 4 Output Consumption Planned Government Net Tax Investment Spending Exports Receipts 250 180 20 40 70 25 300 210 20 40 70 30 350 240 20 40 70 35 400 270 20 40 70 40 450 300 20 40 70 45 500 330 20 40 70 50 Based on the table above, what is unplanned investment spending by firms when output is 450? O 20 O -20 0 0 0 40 O 30