Calculating Contribution Margin, Contribution Margin Ratio, Margin of Safety Last month, Willsted Company sold 450 units for $25 each. During the month, fixed costs were $2,520 and variable costs were...

Last month, Willsted Company sold 450 units for $25 each. During the month, fixed costs were $2,520 and variable costs were $7 per unit.

Required:

1. Determine the unit contribution margin and contribution margin ratio.

2. Calculate the break-even point in units and sales dollars.

3. Compute Willsted’s margin of safety in units and as a percentage of sales.