the answers must be formulas that have to be typed into excel. PLEASE GIVE THE FORMULAS. I WILL GIVE IT A THUMBS UP.

1. Determine the break-even point. 2. Compute the margin of safety and explain Its significance. 3. Compute the degree of operating leverage at a particular level of sales and explain how it can be used to predict changes in net operating income. 1. Determine the break-even point. 2. Compute the margin of safety and explain its significance. 3. Compute the degree of operating leverage at a particular level of sales and explain how it can be used to predict changes in net operating income