Global Corp. sells its output at the market price of $7 per unit.

Each plant has the costs shown below:

Units of Output	Total Cost ($)
0	6
1	8
2	12
3	18
4	26
5	36
6	48
7	62

Q1. What is the breakeven quantity? Enter 0 if total profit is always negative.

Q2. What is the breakeven revenue? Enter 0 if total profit is always negative.

Q3. What is the profit at each plant when operating at its optimal output level?

Q4. How many units of output should each plant produce?