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 fixed expenses do not change, then what would be the effect on the contribution margin per unit and the contribution margin ratio? Contribution margin per unit Decrease B) 2886 A) Decrease C) No change D) No change Select one. a. Option B b. Option C c. Option D Od Option A Contribution margin ratio Decrease No change Decrease No change