Suppose Lattin Corp.'s breakeven point is revenues of 1,500,000. Fixed costs are 720,000. 1. Compute the contribution margin percentage. 2. Compute the selling price if variable costs are $13 per unit. 3. Suppose 90,000 units are sold. Compute the margin of safety in units and dollars. 4. What does this tell you about the risk of Lattin making a loss? What are the most likely reasons for this risk to increase? Can someone please explain 1-3 in detail, not just the numbers and how to set up the formulas?