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