If a Company Sells a Single Product and the Selling

If a company sells a single product and the selling price per unit and the variable cost per unit both increase by 5% while fixed costs remain the same, then

A) Contribution margin per unit increases and breakeven in units increases.
B) Contribution margin per unit increases and breakeven in units decreases.
C) Contribution margin remains the same and breakeven in units increases.
D) Contribution margin decreases and breakeven in units decreases.