Scanlan Company sells a single product for $25. Manufacturing costs are $50,000 per month plus $10 per unit produced. Selling expenses are $10,000 per month plus $5 per unit sold. Total capacity is 10,000 units per month.

How many units must be sold to break even?

How many units must be sold to achieve a $30,000 before-tax profit?

What would Scanlan's margin of safety be at this sales level?