Global Corp. sells its output at the market price of $7 per unit. Each plant has the costs shown below:

1. What is the breakeven quantity?

Enter 0 if total profit is always negative.

2. What is the breakeven revenue?

Enter 0 if total profit is always negative.

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

Please specify your answer as an integer.

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

Please specify your answer as an integer.

Units of Output	Total Cost ($)
0	10
1	12
2	16
3	22
4	30
5	40
6	52
7	66