24. Brasher Company manufactures and sells a single product that has a positive contribution margin. If the selling price and variable expenses both decrease by 5% and xed expenses do not change, then what would be the effect on the contribution margin per unit and the contribution margin ratio? Contribution Contribution margin per unit margin ratio A) Decrease Decrease B) Decrease No change C) No change Decrease D) No change No change A. Option A B. Option B C. Option C D. Option D