Write an Equation for Each Item Provided: Contribution Margin Per $=$

Write an equation for each item provided: Contribution margin per unit $=$ _____________
Contribution margin ratio $=$ ____________
Break-even in units $=$ ___________
Break-even in dollars $=$ ______________
Units required to achieve desired profit =______________
Dollars required to achieve desired profit =_______________
Margin of safety ratio $=$ _______________