Sally's Fries sells four large fries for every three small ones. A small fry sells for $2 with a variable cost of $0.75. A large fry sells for $6 with a variable cost of $1.50 What is the weighted...

Sally's Fries sells four large fries for every three small ones. A small fry sells for $2 with a variable cost of $0.75. A large fry sells for $6 with a variable cost of $1.50 What is the weighted average contribution margin?