Which tool allows the manager to determine how much of a buffer they have before the company starts losing money? Margin of safety Breakeven Degree of leverage None of these Question 3 3 pts In general, fixed costs are: Opportunity costs Relevant costs Irrelevant costs Sunk costs Which tool allows the manager to determine how much of a buffer they have before the company starts losing money? Margin of safety Breakeven Degree of leverage None of these Question 3 3 pts In general, fixed costs are: Opportunity costs Relevant costs Irrelevant costs Sunk costs