Michael Vick has written a self improvement book that has the following cost characteristics:

Selling Price $16.00 per book

Variable cost per unit:

Production $4.00

Selling & administrative 2.00

Fixed costs:

Production $88,000 per year

Selling & administrative 18,000 per year

Assume the variable production cost and the price were both cut by $2.00 per unit. Which of the following would change?

Breakeven point in units

Contribution margin ratio

Total fixed costs

Contribution margin per unit