Sammie's Pizza sells an average of 150 pizzas per week, of which 20% are single-topping pizzas and 80% are supreme pizzas with multiple toppings. Singles sell for 58 each and incur variable costs of $2. Supremes sell for $12 each and incur variable costs of $6. Which pizza should Sammie's Pizza promote to maximize profits? O A. Singles because they contribute the highest total contribution margin. OB. Supremes because they have the highest contribution margin ratio. O C. Singles because they have the highest contribution margin ratio. OD. Both should be promoted equally because they have the same contribution margin per unit