Your restaurant offers 3 menu items: Impossible Burger sells for $10, has a variable cost of 30%, and is of 40% of sales; Power Lunch sells for $15, has a variable cost of 60%, and is of 30% of sales; Pizza Bomb sells for $20, has a variable cost of 45%, and is of 30% of sales; The combined average contribution margin ($) is: The weighted contribution margin of Power Lunch ($) is