The following table shows government spending and tax revenue for a hypothetical economy over a five-year period. all figure are in billions.

Year government spending Tax revenue

1 $1100 $1050

2 $1150 $1100

3 $1250 $1150

4 $1250 $1300

5 $1300 $1250

Use a negative sign to show a deficit and a negative sign for a surplus (put the sign in your ANSWERS -- even positive signs. Do not put a dollar sign. Just the sign and number. For example -25, +68, etc

The budget balance in year 4 is