Queston 19 All else being equal, a $10.00 increase in a product's variable expense per unit accompanied by a $10.00 increase in its selling price per unit will Not yet answered Married out of 0.60 Flag question Select one: O a. increase the break-even volume. O b. None of the given answers. O chave no effect on the contribution margin ratio. O d. have no effect on the total contribution margin. O e. decrease the degree of operating leverage. Question 20 Not yet answered XYZ Bakery bakes breads that are sold to local restaurants and grocery stores in Muscat. When 300 breads are baked, the average cost is $1.25 per bread. When 900 breads are baked, the average cost is $0.65 per bread. What is the total cost when 600 breads are baked? Marked out of 1.00 Flag question Select one: a. $480.00 b. None of the answers given @c. $497:50 Od $390.00 e. $750,00