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 10 16 22 2 I What is the breakeven quantity? Enter 0 if total prot is always negative. Please specify your answer as an integer. What is the breakeven revenue? Enter 0 if total prot is always negative. Please specify your answer as an integer. What is the profit at each plant when operating at its optimal output level? Please specify your answer as an integer. How many units of output should each plant produce? Please specify your answer as an integer